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rec.pets.*: Fleas, Ticks, and Your Pet FAQ


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Archive-name: pets/fleas-ticks
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Last-modified: 30 Sep 2000

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                                Fleas and Ticks
     _________________________________________________________________
   
Table of Contents

     * About this FAQ
          + Author
          + How to get this
          + Acknowledgements
     * Fleas
          + How do they enter the house?
          + Why should I worry about fleas?
          + How can I tell if my pet has fleas?
          + Preventive measures
          + How to choose your methods
          + Lifecycle
          + Keeping clean
          + Natural methods
          + Spraying inside
          + Treating outdoors areas
          + Dipping your pet
          + Combing your pet
          + Powders
          + Borax and salt
          + Vacuum
          + Flea collars
          + Newborn animals
          + Toxicities of different products
          + Flea control on rabbits
          + Systemic products
          + Homes with pregnant women/crawling infants/baby animals
          + Preventing flea infestations in your next home
          + Conclusion
     * Ticks
          + Description
          + Role in diseases
          + Kinds of ticks
          + Lifecycle
          + Removing a tick
          + Infections or abscesses
          + Disposing of ticks
          + Where you pick up ticks
          + Combatting ticks
          + Lyme disease
               o Transmission
               o Symptoms
               o Vaccination
          + R. Sanguineus
     * References and Addresses
     _________________________________________________________________
   
About this FAQ

  Author
  
   Cindy Tittle Moore, Copyright 1995-1997 by Cindy Tittle Moore. You may
   download a copy for your personal use. To redistribute, please ask.
   Under no circumstances may this document be distributed for profit.
   This document is provided "as is" -- no warranty, express or implied,
   is attached.
   
  How to get this
  
   Copies and updates of this FAQ may be obtained by anonymous ftp to
   rtfm.mit.edu under /pub/usenet/news.answers/pets/fleas-ticks. Or send
   email to mail-server@rtfm.mit.edu with
   
     send usenet/news.answers/pets/fleas-ticks
     
   in the body of the message, leaving the subject line empty.
   
   All editing is mine, and any errors should be attributed to me. I
   welcome all additions, corrections, and suggestions for this file.
   Please send email to me at any of the addresses at the end of this
   article.
   
  Acknowledgements
  
   Thanks to: Sandi Ackerman, Edwin Barkdoll, Shari Bernhard, Maggie
   Bonham (aka Sky Warrior), Jon R. Buyan, Brad Christofferson, James
   Coggins, William S. Currie, Eric De Mund, Bill Dittman, Gene Dolgner,
   Marc Gabriel, P.K. Geschwent, Jim Graham, Gary Greene, Paul Jackson,
   Kathy Johnson, Marget Johnson, Renee Johnson, Kay Klier, Jon Krueger,
   Kerry Kurasaki, Ellen McSorley, Dana Massey, Andy Michael, Liza Lee
   Miller, Lloyd E. Miller, Peter Nichola, Jolly C. Pancakes, Jeff Parke,
   Sonya Perkins, Paul Quinlan, Christine Rassmussen, Edward Reid, Keith
   Silver, Susan R. Smart, Orca Starbuck, Marlene Teague, Julia Tien,
   Laura Toms, Lesa Hobright Turner, Michael Waldvogel, Janeane L. Yeh
   and Frank Yeh Jr., and Rich Young for their comments and suggestions.
   
   The initial nucleus of this article may be found from a posting by
   Dave Butler, who posted it sporadically a few years ago and I saved a
   copy in mid 1992. It has since expanded far beyond this initial
   article, but it did provide the initial impetus.
   
   Dr. James Coggins did a presentation on ticks in Wisconsin from which
   I got much of the material on ticks and Lyme disease.
   
   Finally, I'd like to thank my own dogs for providing me with hands on
   experience with ticks. :-)
     _________________________________________________________________
   
Fleas

  How do they enter the house?
  
   Fleas can enter the home in many ways, even if your pet is not or only
   rarely allowed outside. They can hop in from your yard, hitch a ride
   on you, or even be left over from previous inhabitants (larvae can
   remain dormant for astonishingly long periods of time under a variety
   of conditions).
   
  Why should I worry about fleas?
  
   Since fleas can be carriers for worms and diseases, keeping your pet
   flea-free helps to keep it healthy. In addition, many pets and people
   are allergic to flea-bites.
   
  How can I tell if my pet has fleas?
  
   To check if your pet has fleas, part its hair and look for:
     * Small bits of brown "dust," attached to the fur itself. The fleas
       excrete digested blood. See if the dust dissolves into a red
       liquid upon contact with a wet paper towel.
     * Skin Irritation: flea bites or scratching and biting may leave
       red, irritated skin, and even bald patches in bad cases.
     * Small, fast moving brown shapes are fleas.
     * Or, use a flea comb and see what you get.
       
   You may also see "flea dust," fleas, or even larvae on your pet's
   bedding.
   
   Dried blood in its ears may indicate ear mites and you should consult
   your vet to find out what the problem is.
   
  Preventive measures
  
   Conventional wisdom and older studies that studied rat fleas suggest
   that fleas spend only part of their time on your pet; this is not
   true. There are different varieties of fleas, and the primary flea
   infesting dogs and cats in North America and large areas of Europeis
   the cat flea (yes on dogs, too). This flee, not as well studied as the
   rat flea actually spends all of its adult life on the host under
   normal conditions. Eggs are laid on the host and drop off into the
   environment. Thus you can often find eggs wherever your pets spend
   time: on their bedding, through the house, in the backyard.
   
   A good preventive method is to put down towels everywhere your pet
   normally lies and then wash those towels once a week. Deposited flea
   eggs are therefore cleaned out regularly. Regular vacuuming and
   emptying of the vacuum bag also helps, independently of any method or
   methods you choose to do, since that eliminates or reduces food
   sources for the larvae.
   
  How to choose your methods
  
   There are several ways to kill or discourage fleas. Some are synthetic
   chemicals, some are considered "natural", and both work with varying
   degrees. No one method is 100% effective, and you will almost always
   have to combine several approaches to get the results you want. Some
   methods are applicable for indoor pets, but useless for indoor/outdoor
   pets. You need to choose the set of approaches that best addresses
   your situation.
   
   Keep in mind that there are regional differences among fleas: what
   works well in one area may not work well in other areas. You should
   consult a LOCAL vet, vet tech, or dog groomer to see what is known to
   be effective in your area. If you thinkyou're getting biased opinions,
   ask several people and see what they concur on. Don't rely on the
   products available at your local store; there are too many that are
   just distributed nationally.
   
   Finally, you may find that you need to switch your approaches around
   from year to year. If you use the same product several years in a row,
   you may find the effectiveness lessened. Additionally, some years are
   worse than others, depending on the previous winter, and you may need
   to strike earlier with stronger methods some years and relax a bit
   more with milder methods another year.
   
  Lifecycle
  
   You must keep in mind the life cycle of the flea. From egg to larvae
   to adult is between three to six weeks: to get rid of fleas in your
   house, you must break this cycle. As a practical matter, this means
   you will almost certainly have to repeat your efforts in several weeks
   to catch the fleas from the larvae that didn't get destroyed the first
   time around. This is also why it is important to address the problem
   of the eggs and larvae as well as the adult fleas.
   
   After taking a blood meal, fleas either lay eggs on your pet or in its
   surrounding environment. Eggs on your pet are often shed onto its
   bedding or into the carpet. A pair of fleas may produce 20,000 fleas
   in 3 months. Eggs hatch after 2-12 days into larvae that feed in the
   environment -- generally on digested blood from adult fleas and other
   food matter in their environment. The food required at this stage is
   microscopic, and even clean carpets often offer plenty of food to the
   larvae. The larvae are little wiggles about 3-4 millimeters long, you
   may see some if you inspect your pet's bedding carefully. Larvae molt
   twice within 2-200 days and the older larvae spin a cocoon in which
   they remain for one week to one year. When in this cocoon stage the
   young flea is invulnerable to any kind of insecticide and to low, even
   freezing, temperatures. Only sufficient warmth and the presence of a
   host can cause them to emerge. This long cocooning period explains why
   fleas are so difficult to eradicate.
   
  Keeping clean
  
   Having your carpets professionally cleaned WILL NOT get rid of the
   fleas, unless they use something that is meant to kill fleas. However,
   it will remove much of the eggs, larvae and the food that the larvae
   feeds on, so it can be useful in conjunction with other methods.
   
   Remember that carpets, rugs, and upholstered furniture are the prime
   places for depositing flea eggs. Some people have success ridding
   their home of fleas by removing their carpets and replacing with
   linoleum or hardwood floors. This may not be a feasible option for
   everyone, though.
   
  Natural methods
  
   These tend to be of the "folk-remedy" type. Some people swear by them,
   others do not get any results. Some are actually toxic. They tend to
   work better at keeping fleas away rather than killing or eliminating
   present infestations.
     * You can buy cedar shampoo, cedar oil and cedar-filled sleeping
       mats. Cedar repells many insects including fleas.
     * Let outdoor pets sleep on a well-used horse blanket. Equine-l
       folks have confirmed that horses get ticks but not fleas, and cats
       using horseblankets in *current* use seem to have fewer fleas.
     * Fleas love dry skin: prevent dry skin by giving your pet Linatone
       (or any vegetable oil) with its food and avoiding excessive
       shampooing.
     * Pennyroyal (the herb and the oil) is often touted as a natural
       flea repellent: only the fresh or dried leafs are safe. The oil is
       actually highly toxic to animals and humans (it has a long history
       as an abortifacent, for example). There is an article about this
       in the AKC's Gazette, July 1992. Also, Journal of the AVMA, v200
       n6 March 15, 1992.
     * Garlic and Brewer's Yeast: Feed it in small doses to your pet and
       and the resultant body odor may repel fleas. You can get it either
       in powder form or tablet form, at varying expense.
     * Orange or lemon peel boiled and simmered in water makes a flea dip
       after it cools. Do not use this on cats, however (don't know about
       ferrets). Rinse well.
     * 60 ml of lavendar oil mixed with 2.8 liters of rock salt can be
       placed under furniture and rugs.
     * Eucalyptus leaves can be left under furniture and rugs. Also, a
       eucalyptus wool wash [a product for washing wool made from
       eucalyptus, available in Australia, perhaps elsewhere too] when
       washing the dog may help.
     * Rub bruised fennel foliage into the dog's coat. Growing it in the
       yard discourages the establishment of fleas there.
     * You can plant marigolds outside in your garden. This has the
       additional benefit of repelling a variety of other bugs.
     * NuPo offers a "flea trap" that uses heat to attract fleas to a
       sticky pad, kind of like "flea paper." Homemade variants,
       considerably less expensive, include leaving out detergent-laced
       dishes or jars of water near nightlights at night. This approach
       works best in severe infestations but is not likely to eliminate
       the fleas.
     * Food supplements, there are several on the market besides the
       "conventional" brewers yeast and/or garlic. One is Hop Off. Again,
       they appear to work for some dogs and not necessarily others.
     * Often useful in conjunction with other methods is to cover up your
       pet's ears and around the neck with a wet towel and have it lie in
       a tub of cool water for a while. The towel prevents migration of
       the fleas to the head. Add just a little detergent to the water (a
       teaspoon or a few cc's is enough) to make sure the fleas drown.
       Obviously, your pet must be amenable to lying in water for 15
       minutes or so. This can be done as an alternative to dipping; but
       like dipping it will not solve the larger problem of the flea
       infestation.
     * A similar method is to prepare a warm bath in the kitchen sink (or
       tub) with just a little baby shampoo and submerge the pet except
       for the head. Hold the vegetable sprayer (or spray attachment)
       about an inch away from your pet (under water) and literally blast
       the fleas off. By doing it under water, it keeps the fleas from
       simply being blown to another part of the pet. The head has to be
       sprayed while out of the water. Fleas will float to the surface
       but drown because of the bit of shampoo in the water. This may
       help remove eggs as well. Again, this technique only works on
       animals that are amenable to lying down in water.
       
  Spraying inside
  
   There are a number of companies that will spray your house and
   typically they have guarantees such as "flea free for a year" (or they
   will reapply free of charge). The best known one is probably
   FleaBuster. FleaBusters applies a product to your carpet that kills
   all the fleas and eggs. Many people report that the results last for
   longer than the guaranteed year. Other people have pointed out that
   the product FleaBusters uses is Terminator (see below), and applying
   it yourself can be a significant savings over what FleaBusters
   charges.
   
   You can spray your house. There are a number of commercial foggers and
   other devices which you set off in your home. Generally, you and
   anything live will have to vacate for a period of time. This can be
   effective; it depends on if the chemicals involved will kill fleas,
   flea larvae, or both. Your vet will be a good source of information on
   effective brands, or you can have this done professionally.
   
   Remember that a hand-held sprayer will be more effective than a
   fogger-type application simply because you can make sure all the
   hard-to-reach areas are properly treated.
   
   In general, pyrethrins are "low intensity", relatively safe, and break
   down quickly (some on contact with sunlight). They can normally be
   used safely with puppies, kittens and in sensitive conditions.
   Pyrethrins are from chyrsanthemums, and manage to be highly toxic to
   fleas but not to people or dogs. It's very safe. Permethrins are
   synthetic pyrethrins and have the additional benefit of a residual
   effect for several days.
   
   Organo-phosphates are "heavy duty" and last longer. They should be
   used with caution as they are usually toxic to people and animals.
   
   The Insect growth regulators do not kill adult fleas, but they have
   little or no toxicity to non-insects as they very specifically target
   the flea larvae, preventing its transition to adult stage.
   
   Precor: (methoprene)
          This is an insect hormone that interrupts the life cycle of
          fleas by preventing flea larvae from maturing. It is not a
          poison, even to fleas, but they cannot reproduce. It's used as
          an environmental spray either by itself (in which case it will
          take several weeks to show much effect) or combined with adult
          pesticides (like pyrethrins) for a quick wipeout.
          
          Because it's a hormone, it's thought that fleas can't become
          resistant to it. However, methoprene resistance has been
          reported in experimental population of fleas. If you're getting
          poor results with Precor (=methoprene), you might try
          Fenoxycarb.
          
          You can buy the stuff at your local hardware/gardening store,
          and spray the diluted (according to directions) liquid
          everywhere in the house. This will not kill fleas by itself
          unless you combine it with something immediately lethal, but it
          will break the lifecycle and the fleas will go away in a few
          weeks as the mature ones die and the immature ones fail to
          develop. Such an application lasts about 4-5 months. Precor
          cannot be used outside because it breaks down rapidly in
          sunlight, but there are new formulations, such as Fenoxycarb,
          that show promise for outdoor use.
          
          Precor is most often combined with other agents, like
          pyrmethrins. Currently available are powders, sprays, and
          foggers all containing the ingredient. It can be difficult to
          find a source of pure methoprene. One mail-order source is
          Gardens Alive! It's called Vigren and is $9.25 per oz
          concentrate (mix with 1 gallon of water, covers 1500 sq. ft) or
          $7.95 for three or more. Address below.
          
   Torus:
          This is a pure form of fenoxycarb, an IGR. It can be used
          outdoors since it doesn't react to UV like methoprene does. It
          is available through Kristull Products, 8708 Grelle Lane,
          Autin, TX 78744; 800-658-6699. Many products now contain
          fenoxycarb, but Torus seems to be the only undiluted form
          available. Due to company buyouts, Torus has been discontinued
          from the market, though there is still some stock available
          from distributors.
          
   Archer:
          This is a Torus like product against fleas (and fire ants).
          Check:
          
          + http://www.fleasmart.com
          + http://www.dawwn.com/flea/archer.htm
          + http://www.fleas.kristull.com/
            
   Sectrol:
          This is microencapsulated pyrethrins (low toxicity to mammals).
          This works well in conjunction with methoprene. Spraying your
          home with this combination should be good for about 5-6 months
          before reapplication is needed. Use the Sectrol Pet and
          Household Flea Spray #1495 for the pure micro encapsulated
          pyrethrin product (3M has a variety of "sectrol" products).
          Expensive.
          
   Duratrol:
          This comes in both a spray (for the house) and a dip for the
          immediate problem on your pet. The smell is reported to be
          minimal and the effectiveness high. You only need to leave the
          house for 1/2 hour to allow the spray to dry (rather than up to
          four hours for other sprays and foggers, for example). Duratrol
          consists of micro- encapsulated chlorpyrifos -- essentially
          Dursban in "tiny time pills."
          
   Foggers:
          When choosing a fogger, note that the directions call for one
          can per X no. of UNOBSTRUCTED square feet. In practice, that
          means one can per major room. You can increase the
          effectiveness of the spread of the fogger by setting up fans to
          move the air around before you trigger the foggers. If you have
          a forced-air furnace, set the fan to on and thermostat to off
          (turning the thermostat off ensures that the heaters do not
          kick in; most fogging sprays are flammable or explosive).
          Foggers have a real problem in penetrating enough to do any
          good, though. They just don't reach under furniture and other
          inaccessible places.
          
  Treating outdoors areas
  
   When treating the area surrounding your house, remember that fleas are
   not found in your driveway gravel or in the open. The larvae do not
   survive high temperatures. They are found in shaded areas, like under
   porches, decks, car ports, at the edges of woods, and especially in
   places where your pets lay down outdoors.
   
   Dursban:
          You can use Dursban for ridding the yard of fleas. Home Depot
          will have the generic stuff. Spray according to the directions
          on the label. This is fairly toxic stuff. The generic name is
          Chlorpyrifos.
          
   Nematodes:
          This is a new product for outdoor treatment. "Bio Flea Halt"
          and "Interrupt" are two brand names -- probably others exist.
          Nematodes are bugs that eat fleas. You apply it to your
          backyard with a pump sprayer; hose sprayers will also work.
          [Not sure about details of application: do you apply to grass?
          dirt? what about decks? effect on existing plants?] Toxicity to
          humans/dogs is non-existent, early studies show a good degree
          of effectiveness.
          
   For those with outdoor pets, diatomaceous earth, boric acid and silica
   aerogels can be used to treat your lawn for fleas and ticks. These
   chemicals were lauded by the Apr 92 Sunset magazine in their list of
   least toxic chemicals, sprays and dusts, which were discussed for
   those people who want to control pests more naturally. These are not
   poisons, and kill by clinging to, scratching and and destroying the
   waxy exteriors, or dessicating the pests. Sunset does point out that
   these chemicals should not be inhaled as they will irritate or abrade
   the lungs in the same way (which isn't a big problem once they've
   settled into your lawn). Diatomaceous earth is an abrading agent (much
   like borax). Use natural grade rather than pool grade diatomacious
   earth. Boric acid is also a abrading agent. Silica aerogels are
   dessicants, and kill the insects through dehydration. It is
   recommended that these chemicals be used in powder form to kill fleas
   and ticks.
   
  Dipping your pet
  
   For an immediate flea problem, you can bath your pet with a
   flea-killing substance to get rid of the fleas on its body. But
   remember, such "dips" usually sting when applied to open irritations.
   Animals have been known to bite, climb up your arm, and even urinate
   all over themselves, so be prepared!
   
   Be very careful to only dip animals that are at least two, preferably
   three months old, and be especially careful to use appropriate dips.
   That is, do not use dips marked for dogs on cats!
   
   Avon's Skin-So-Soft lotion is reputed to repel fleas (as well as
   mosquitos on human). After bathing your dog, put some lotion in the
   rinse water. They will smell like the lotion, and the application will
   last for a few weeks. This may be a problem for pets that groom
   themselves. Another way to apply it is to put a 1:1 lotion:water mix
   in a spritz bottle and mist your dog with it. Some people report
   excellent results and others do not.
   
   Dipping alone will NOT solve the more general problem of the flea
   infestation.
   
  Combing your pet
  
   Flea combs with fine teeth that snag fleas are commercially available.
   It is helpful to have a small dish of ammonia-laced water on hand to
   kill the fleas on the comb rather than trying to nail each one by
   hand. Alternatively, mix a few drops of detergent into the dish of
   water so that there is no surface tension and fleas dropped into the
   treated water will drown. Use a metal comb; the plastic ones are too
   flexible and allow the fleas to escape.
   
   You will typically find the most fleas along your pet's back, groin
   area, and at the base of the tail.
   
   This by itself will never rid your pet from fleas since flea larvae
   may also be in bedding, furniture and carpet. It is, however, a useful
   way to keep an eye on the flea population, and if used as a preventive
   measure can keep them in check. If you have a major infestation,
   though, you will have to get rid of most of the fleas before you can
   use just a comb on your pet.
   
  Powders
  
   Flea powders are handy, but there are many types and some are rather
   poisonous. Check the poisonous list below for ingredients that cause
   serious problems (for cats). When using powders, it is not enough to
   just powder your pet: powder its bedding, and under furniture
   cushions. You may want to add some to a discarded vacuum cleaner bag
   especially if it will sit in the trash for a few days, but don't run a
   vacuum with flea powder in the bag. That will probably spray it in the
   air, potentially toxic to sensitive animals or humans.
   
   Do not let your pet ingest flea powder of any sort. This can be tricky
   with pets that groom themselves, such as cats and ferrets. With dogs,
   if you brush the powder in, your dog will not ingest much if any
   powder.
   
  Borax and salt
  
   Also known as sodium polyborate, sodium tetraborate, sodium borate.
   The chemical is related to boric acid. This is present in a variety of
   household products. Sprinkling 20 Mule Team Borax, the kind you use in
   laundry (*not* the hand soap Boraxo; the soap added to can be toxic to
   your pet) on the carpet and upholstery will dry out the deposited flea
   larvae. The procedure is to vacuum the house, sprinkle borax or salt
   using a sieve on carpet and upholstery (and under the pillows, under
   the furniture); sweep with a broom to settle the borax into the carpet
   and then vacuum again. Some people leave it on for a few days before
   vacuuming, but this runs the risk of abrading the surface of the
   carpet. Don't let your animals eat the stuff. If you use borax, you
   may need to adjust for this when cleaning your carpets by using less
   soap. The effects of a borax treatment seem to last about a year or
   so.
   
   Drawbacks: The chemical borax is abrasive, and 20 Mule Team Borax may
   abrade your carpets. In addition, there are documented cases of
   long-term low-level exposure to sodium polyborate resulting in
   conjunctivitus, weight loss, vomiting, mild diarrhea, skin rash,
   convulsions and anemia and other similar allergic reactions in humans.
   If you're using borax as flea control, and your pets (or family) are
   showing loss of appetite, eye or skin problems, anemia or kidney
   problems, you may want to switch to another flea control method and
   see if their health improves. Do not apply it to damp carpets as it
   can take the color out.
   
   Borax is NOT advisable where you have pets which groom themselves,
   e.g., cats and ferrets. They can ingest enough to harm them if the
   borax is not settled deeply enough into the carpet (October 1992 of
   Dog Fancy). Symptoms of acute poisoning include diarrhea, rapid
   prostration and perhaps convulsions [these occurred when borax was
   scattered openly for cockroach control].
   
   There are various products that are applied in the same way, such as
   PEST-X. Check these types of products to see if they contain borax or
   boric acid. If so, the above commentary applies to those products as
   well. Otherwise, check the ingredients against the other ingredients
   discussed elsewhere.
   
   Some people use salt instead of borax. Provided that you do not live
   in high humidity areas, this is an alternative. Since salt absorbs
   water, salt in carpet in an unairconditioned house in Florida (for
   example) would mean a damp carpet -- later rotted or mildewed.
   
   A cheap source of boric acid powder is "Terminator". Available in
   hardware stores. A 5lb can of 100% boric acid powder is about $22; a
   30lb can $54. Customer service # is 800-242-9966.
   
  Vacuum
  
   Put flea powder in the vacuum cleaner bag to kill any fleas that you
   vacuum up, otherwise they will crawl back out. You should change the
   bag in your vacuum cleaner after a round of flea-cleaning in any case.
   Moth balls can also be used, but they are pretty toxic. Sometimes
   people put (cut up) flea collars in the bag, but it is not clear that
   this is effective, and if the collar contains dichlorvos, is NOT
   recommended.
   
  Flea collars
  
   See Consumer Reports, August 1991. Flea collars aren't effective and
   may even be bad for your pet's health. Some of the herbal ones smell
   nice and that's about it.
   
   Ultrasonic and electronic flea collars are not known to work.
   
  Newborn animals
  
   Very young animals can die from overinfestation of fleas. They are
   small enough that they can become dangerously anemic within hours, and
   are young enough that they will be poisoned by dipping chemicals.
   Consult your vet immediately if you have a less than 8-10 week old
   kitten or puppy with a bad case of the fleas. Do not attempt to "dip"
   them, you can easily kill them this way.
   
   Symptoms of anemia: if flea-infested baby animals become lethargic,
   weak, and pale, you may have *only hours* before they die. A good test
   for anemia is to take your finger, lift the upper lip, and press
   gently but firmly into the upper gum. The gum will turn white for a
   moment and then return almost immediately to a pink color. If the gum
   stays white for more than a couple of seconds, anemia is indicated.
   Take them to the vet *now*.
   
   If they do not yet appear anemic, use a flea comb on them. You should
   take steps to prevent infestation by keeping the mother clear of
   fleas, and regularly (at least every other day) changing and
   laundering the bedding. While you should not dip them in chemicals,
   giving them a plain soap-and-water bath can help remove the fleas from
   their body: wash the bedding at the same time and then use the flea
   comb regularly to keep fleas from taking hold again. The mildly
   insecticidal shampoo Mycodex (tm) can be used on kittens, but requires
   flea combing afterwards anyway because of its mildness.
   
   From Orca Starbuck:
   
     Most flea shampoos, sprays, and powders are not cleared for use on
     pregnant, nursing or young animals. In addition, the act of
     bathing, spraying, or powdering a pregnant or young animal can
     frighten or chill the animal. So most vets are hesitant to
     recommend ANY course of action if you have pregnant, flea-infested
     animals. However:
     
     Low concentration pyrethrin products (or allethrin, like mycodex)
     ARE considered safe. In "Feline Husbandry" pyrethrin is the only
     flea poison included in a list of chemicals and drugs that are
     known to be safe during pregnancy. Methoprene is also considered
     safe, although its use is new enough that it doesn't appear in many
     of the texts.
     
     Zodiac pyrethrin + methoprene spray for cats is considered safe for
     pregnant and nursing cats and kittens that are at least 24 hours
     old! The same is true for the similar spray for dogs. Likewise, the
     Zodiac premise sprays are safe for use where pregnant and nursing
     animals and young animals are housed, as long as the spray is
     allowed to dry before the animals are introduced back into the
     area.
     
     Since spray can often be upsetting to the mother cat, a paper towel
     which has been sprayed with Zodiac spray for cats until it is about
     1/2 saturated is better. Rub the towel all over the queen (except
     for her face and nipples) and comb out with a flea comb, and repeat
     the treatment a week later.
     
     If there are still problems with fleas once the kittens are born,
     it is quite safe to do the same treatment on the kittens about once
     a week, starting at a week of age.
     
  Toxicities of different products
  
   According to Steven A. Melman and Karen L. Campbell's "Flea Control"
   (John R. August, ed. 1991. Consultations in feline internal medicine.
   WB Saunders & Co., Philadelphia. ISBN 0-7216-2226-7: Chapter 9),
   pesticides that have caused serious or fatal illness when used ON cats
   at dosages effective against fleas are:
     * Carbaryl (Sevin)
     * Chlorpyrifos (Dursban)
     * Dichlorvos (DDVP, Vapona)
     * Dioxathion (Delnav, Deltic)
     * Lindane
     * Malathion
     * Naled (DiBrom)
     * Phosmet (=prolate, Kemolate)
     * Permethrin
     * Propxur (Sendran, Baygon)
     * Pyrethrins (but microencapsulated pyrethrins have no listed
       problems)
     * Ronnel (=Korlan)
     * Tetrachlorvinphos (=Rabon)
       
   The following flea-cides used ON dogs are NOT approved for use ON cats
   (though they're all OK'd for indoor environmental use):
     * Amitraz (Mitaban)
     * Bendiocarb (Ficam)
     * Chlorphenvinphos (Supona)
     * Chlorpyrifos (Dursban)
     * Cythioate (proban)
     * Diazanon (Spectracide)
     * Fenoxycarb
     * Fenthion (Prospot)
     * Methoprene (Precor)
       
   The following have been reported to cause serious illness or death
   when used ON dogs:
     * Carbaryl (Sevin)
     * Chlorpyrifos (Dursban)
     * Dichlorvos (DDVP, Vapona)
     * Fenthion (Prospot)
     * Lindane
     * Malathion
     * Phosmet (Prolate, Kemolate)
     * Permethrin
     * Pyrethrins (but not microencapsulated)
     * Ronnel (Korlan)
     * Tetrachlorvinphos (Rabon)
       
  Flea control on rabbits
  
   by Sandi Ackerman
   
   There's a controversy as to which type of flea products are safest for
   our rabbits. The House Rabbit Society has always said to use a powder
   that is safe for cats/kittens and in this area of the country our
   veterinarians have recommended pyrethrin based powders. However, we've
   recently discovered that while our veterinarians in Washington state
   are saying to use products that contain pyrethrins, veterinarians in
   other parts of the country say to use products that contain 5%
   Carbaryls.
   
   What I've found after considerable research is that there are no
   specialists who will make a written statement one way or the other as
   to which product (one, both, neither) is safe for our rabbits. This is
   because there have been inadequate studies done on rabbits (thank
   goodness)! But what's a person to do?
   
   I've searched through Medline, which is an on-line medical database
   containing data going back to 1966. There are many of studies out
   there about pyrethrins and carbaryls, but the question is: how to
   interpret them? I've tried to get manufacturers of flea products to
   talk to me -- no luck. So after gathering all the data that I could
   find, I called the National Animal Poison Control Center (NAPCC) to
   verify the following information.
   
   To summarize:
   
   Pyrethrins are considered safe. These are insecticides derived from
   plants, but in some cases where the dose is too high, they can cause
   tremors, seizures and death. They act rapidly and have "some residual"
   effect.
   
   Pyrethroids are synthetic derivatives of natural pyrethrins and are
   considered to be "more effective insecticides and are less toxic to
   mammals than the natural pyrethrins"[1]. Allethrin (a synthetic) is
   said to be safer than natural pyrethrins.
   
   Carbaryls are considered safe and are used on vegetables in our
   gardens (Sevin). But they too can cause convulsions and death if too
   high a dose is used [1]. They remain effective from one to three
   weeks.
   
   The database at the NAPCC contains no reports of problems in rabbits
   from either the pyrethrin or the carbaryl powders.
   
   It's not these insecticides which are the problem, but rather the
   enzyme inhibitors in the products! The following are common enzyme
   inhibitors, also known as synergists, which may be found in flea
   products:
     Piperonyl butoxide
     Sesamex
     Piperonyl cyclonene
     N-octylbicycloheptene dicarboxamide

   These synergists may be added to the flea powder/spray in order to
   keep the flea from being able to resist the toxic effects of the
   pyrethrins or carbaryls. How that resistance occurs, is stated as
   "...inhibiting mixed function oxidases, synergists also potentiate
   mammalian toxicity."
   
   What this means is that in addition to affecting the flea, these
   synergists also keep our companions from being able to resist the
   toxic effects. It is known that problems are more pronounced when the
   product is applied to the animal's skin, rather than if the animal
   ingests it while licking it from their hair [2].
   
   A representative of the NAPCC stated to me that they had worked with
   one company who was producing a pyrethrin flea spray which was causing
   a lot of problems in cats. After the company reduced the percentage of
   synergists to 1% there have been no additional reported problems from
   their product.
   
   So what's the answer? Always read the label of flea products keeping
   the following figures in mind as a guideline.
     Carbaryl                          5.0% or less
     Pyrethrins                        0.15% or less
     Synergists (see above)            1.0% or less
     Precor (good) keeps insects from maturing

   The first recommendation of the House Rabbit Society is to attempt to
   remove fleas by using a totally non-toxic flea comb. If there aren't
   too many fleas this may be a good solution (and it helps you to bond
   with your rabbit). Because of the large volume of rabbits in my home
   which makes it impossible for me to powder them all, and after
   speaking with one of my veterinarians, I intend to use flea products
   (using the above guidelines) on my rabbit's bedding and under their
   cage.
   
   In conclusion, I'd say that it is advisable to try to get rid of the
   fleas, and there are good safe powders on the market that will
   eliminate the little pests. Powders are much safer than flea dips (we
   receive numerous reports from veterinarians and owners, of flea dips
   killing rabbits). Please, just pay attention and read the label before
   you purchase a flea product.
   
   References:
   1 The Merck Veterinary Manual, seventh edition p.1665,1669,1501.
   2 Snodgrass, H.L. J Toxicol Environ Health 1992 Feb. 35(2) P 91-105.
   
  Systemic products
  
   These have all appeared within the last two years or so. The general
   market seems to be heating up -- more demand or better research? And
   the trend is definitely toward a substance on the coat or in the
   bloodstream to kill fleas.
   
   Advantage (imidacloprid)
          Advantage, from Bayer, is an adult flea poison. It works by
          disrupting the flea's nervous system. It is a liquid that you
          apply to the dog's skin and kills on contact (therefore fleas
          are not required to bite the dog). The substance will wash off,
          so swimming is recommended against. It is not absorbed into the
          bloodstream or internal organs. It is a repellant and an
          insectide, and people are reporting being flea-free in a matter
          of days. Studies show that it is selectively toxic to insects
          as other animals have receptors that do not bind imidacloprid
          effectively and so are not affected. This is applied along the
          dog's or cat's back and works for a month. After application,
          watch your pet for signs of lethargy or allergic reaction --
          while studies show that there are no adverse effects up to five
          time the recommended dosage, there are always sensitive
          individuals. Advantage runs $15-$20 for a dose large enough for
          a labrador (two vials). Ingredients include: imidacloprid -- a
          chloronicotinyl nitroguanidine synthesized from the
          nitromethylene class of compounds. This binds the insect's
          nicotinyl receptor sites thus disrupting normal nerve
          transmission and causing its death.
          
   Frontline
          Similar to Advantage, but is not water soluble (must use
          alcohol to wash it off). It can be used on pups, kittens, cats,
          and dogs. It does not use pyrethrins/permethrins (good news for
          dogs allergic to these substances). It can repell for up to
          three months (in infested areas, the reported efficacy is
          closer to a month). Active ingredient is fipronil 5-amino -1-
          (2, 6-dichloro-4 [trifluoromethyl]phenyl) -4- (1,R,S)-
          (trifluoromethyl0sulfinyl) -1H-pryazole-3-carbonitrile 0.29%
          inert ingredients 99.71%. Fipronil is a nervous transmission
          interruptor, causing rapid death to fleas and ticks. Kills 96%
          of fleas in the first two hours, 100% within 24 hours. Ticks
          die before attachment. Fipronil is from the new phenylpyrazole
          class. Unlike any other molecule, fipronil acts on the GABA
          (gamma aminobutyric acid) mediated chloride channels of
          invertebrates. It is not systemic, it collects in the sebaceous
          glands (so you aren't supposed to give a bath 2 days prior or
          after, so there is oil on the skin for it to attach to). It can
          be used on puppies (8 weeks or older) and kittens. It has a
          toxicity rating of LD 50 which is similar to aspirin. Frontline
          CAN BE TAKEN OFF with Sulf Oxydex Dog and Cat shampoo,
          manufactured by DVM Pharm. The peroxide in the shampoo deep
          cleans the sebaceous glands and therefore washes all Frontline
          away when rinsed.
          
   Knockout
          Works like Frontline, but is only approved for dogs. Contains
          permethrins, and is supposed to repell both fleas and ticks.
          Active ingredients: Pyriproxyfen:
          21[1-methyl-2-(phenoxyphenoxy)ethyoxy] pyridine....0.05%
          cyclopropanecarboxylate 2.00% inert ingredients 97.95% Also has
          NYLAR, which is an insect growth regulator.
          
   ProTICal (formerly Defend)
          A topical agent, the product is absorbed into the skin and
          spread through the fat layer; some dogs are sensitive to this.
          Not approved for cats. Supposed to work for both fleas and
          ticks, but many reports of tick infestations anyway. Active
          ingredient is permethrin.
          
   Proban (cythioate) and Prospot (Fenthion)
          These are not licensed for use in cats in the U.S. They may be
          used on dogs. They work on the principle that if you poison the
          bloodstream, the fleas will die after ingesting the poisoned
          blood. Several problems: first, you *are* introducing a low
          level of poison into your pet's bloodstream, and the long-term
          effects are unknown. Second, this does not help at all the pet
          that is allergic to fleas and cannot afford to be bitten in the
          first place.
          
   Program (lufenuron)
          From Steve Dudley: Ciba-Geigy Animal Health has pioneered an
          approach to flea control with the systemic use of an insect
          growth regulator (IGR), benzoyl phenyl urea lufenuron. This IGR
          acts as a chitin synthesis inhibitor causing mortality in
          hatching flea eggs and moulting larvae. Hatching fleas are
          unable to get out of the egg shell because the egg tooth, a
          chitin structure, cannot form. Larvae die during moults, again
          due to the inhibition of chitin formation. The IGR has no
          adulticidal activity, but female fleas that ingest the compound
          transfer it to the ovaries and eggs (transovarial effect).
          
          Chitin is a polysaccharide, that along with various structural
          proteins makes up 25-50% of the dry weight of insect
          exoskeletons. It is necessary for integrity and strength.
          
          Lufenuron, marketed in the US under the PROGRAM tradename
          (available by veterinary prescription only), and widely
          available in Europe, is administered orally with food, in
          tablet form, for dogs. A suspension form is administered to
          cats. To maintain effective levels of control for a 30 day
          period, 10mg of lufenuron per kg of body weight is recommended
          for dogs. For cats, 30mg of lufenuron per kg of body weight is
          recommended. Dosages are absorbed from the intestinal tract
          into the general circulation and retained in adipose tissues.
          Excess is excreted. From the adipose tissue, lufenuron is
          slowly released back into the general circulation and excreted
          over time. The major route of elimination is via the feces. It
          was found that after two days of feeding on treated dogs, no
          adult fleas developed from eggs laid by females feeding on the
          dogs. 80% control of a flea population takes about 4.5 weeks,
          as pre treatment flea larvae and pupae in the environment still
          must complete their life cycles. Acute, sub chronic, and
          chronic dose studies revealed no adverse affects relative to
          the animals safety and tolerability. Used in conjunction with
          flea adulticides, no enhanced signs of toxicity were evident.
          
          This was taken from the following article: A Novel Approach to
          Flea Control: Systemic Use of Lufenuron. By Rudolf Schenker and
          Philip A. Lowndes. Ciby- Geigy Ltd., Basel, Switzerland.
          
          Other notes: a version approved for cats (liquid form) is out
          now. It's also approved for use with nursing mothers. This is
          not toxic to adult fleas. Program has no warnings or
          contraindications on the FDA approved package insert; it can be
          used in conjunction with other flea control products and
          heartworm preventives. The main drawbacks of this regime is
          that it is a preventive type of remedy; it will not work well
          (or immediately) against an acute flea population. It also
          requires that the dog be bit by all the fleas in the house for
          them to produce the defective larvae; this is not acceptable
          when the pet in question has flea allergies! Finally, for
          Program to be effective, all animals in the house need to be
          placed on it.
          
   BioSpot
          Topical application, kills fleas, eggs, and ticks. Repels
          mosquitos. Works for one month. Sometimes turns white hair
          yellow temporarily. Contains permethrins and IGR.
          Contraindicated for use in cats.
          
  Homes with pregnant women/crawling infants/baby animals
  
   Specific recommendations from "Flea Control" for houses with pregnant
   women or crawling infants are for a combination of microencapsulated
   pyrethrins (eg Sectrol from 3M) and methoprene.
   
  Preventing flea infestations in your next home
  
   Since flea larvae can lay dormant for surprisingly long periods of
   time, it is always possible for you and your pets to get fleas by
   moving into a house or apartment in which the previous occupants had
   fleas.
   
   If this may be the case, you can prevent the potential problem by
   spraying or treating the place *before* you move in, if at all
   possible. For example, if the place has been uninhabited long enough
   that all the adult fleas are dead, methoprene should be sufficient,
   otherwise use sprays that will also work on the adults.
   
  Conclusion
  
   In general, you will have to use a combination of some of the
   approaches above. You will also want to launder any bedding and other
   launderable items to rid them of fleas at the same time. If you comb
   your pet regularly, you will be able to spot an incipient increase of
   fleas and make pre-emptive strikes. If you have a bad flea problem,
   getting your carpet professionally cleaned in addition to other
   control methods will help in removing potential food sources for the
   larvae.
   
   People have asked me what my personal methods are. I prefer to use a
   IGR type of spray. I obtain Vigren (methoprene) from Gardens Alive!
   and spray my house every four months and also after I have the carpets
   cleaned. Since I show my dogs (hence exposing them to flea-infested
   sites), I will take some preventive action before going by spraying
   them with Ovitrol Plus by VetKem which is a mixture of
   microencapsulated pyrethrins and methoprene and seems to last a long
   time, several weeks if they don't go swimming. I have not had a
   serious problem with fleas for several years, despite living in
   Southern California. I have also used Borax in the carpet to good
   effect, but have become concerned about possible inhalant problems and
   damage to the carpet. Since one of my dogs and my cat have flea
   allergies, I have not tried out the Program product, nor do I intend
   to, though I've heard plenty of wonderful things about it.
     _________________________________________________________________
   
Ticks

  Description
  
   Ticks are in the phylum of animals called Arthropoda (jointed
   appendage). This phylum of animals is the largest in the animal
   kingdom. There are over 850 different species of ticks, and they
   parasitize every class of terrestrial vertebrate animal, including
   amphibians.
   
   Ticks are small rounded arachnids that cling to one spot and do not
   move. They have inserted their head under the skin and are engorging
   themselves on the blood. Diseases carried by ticks means that you
   should have yourself or your pets checked after you find ticks. On the
   one hand, ticks are a little easier to deal with since they remain
   outdoors, and do not infest houses the way fleas do; on the other
   hand, they carry more dangerous diseases and are harder to find.
   
  Role in diseases
  
   Ticks are the most important arthropod in transmitting diseases to
   domestic animals and run a close second to mosquitoes in arthropod
   borne human diseases. They transmit a greater variety of infectious
   agents than any other type of arthropod. Ticks can cause disease and
   illness directly. They are responsible for anemia due to blood loss,
   dermatosis due to salivary secretions, and ascending tick paralysis
   due to neurotoxins in the salivary secretions. They also can be the
   vector of other diseases. Some of the more noted tick borne diseases
   are babesiosis, anaplasmosis, ehrlichia, East Coast fever, relapsing
   fever, rocky mountain spotted fever and, of course, Lyme disease.
   
  Kinds of ticks
  
   There are two basic types of ticks. Soft ticks, the argasids, are
   distinguished by their soft, leathery cuticle and lack of scutum. They
   can be recognized easily by their subterminal mouthparts that are on
   the underside of the tick. Soft ticks when engorged with blood blow up
   like a balloon. Soft ticks are fast feeders, being able to tank up in
   a matter of hours.
   
   Hard ticks, the Ixodids, have a hard plate on the dorsal surface and
   have terminal mouthparts. When attaching, a tick will slice open the
   skin with the mouthparts and then attach itself. They also secrete a
   cement that hardens and holds the tick onto the host. Hard ticks are
   slow feeders, taking several days to finish their bloodmeal.
   
   During feeding a tick may extract up to 8 ml of blood, they can take
   100X their body weight in blood. Interestingly, they concentrate the
   blood during feeding and will return much of the water to the host
   while losing some by transpiration through the cuticle.
   
  Lifecycle
  
   All ticks have four life cycle stages. Adult ticks, produce eggs. A
   female tick can produce up to 20,000 eggs. Mating usually occurs on a
   host, after which the female must have a blood meal in order for the
   eggs to develop. Ixodid ticks are unusual in that mating does not
   occur on the host. The eggs are laid in the soil or leaf litter after
   the female drops off the host. These eggs hatch into a stage known as
   the larva. The larva is the smallest stage and can be recognized by
   having only 3 pairs of legs. These "seed ticks" are produced in great
   numbers. They must find a host and take a blood meal in order to molt
   to the next stage called the nymph. If the nymph can feed on a host,
   it will develop into the adult tick.
   
   Ticks vary greatly in how long this cycle takes and the number of
   hosts involved. Some ticks are one host ticks; the entire cycle occurs
   on that one host. Others use two hosts, some three and some of the
   soft ticks are multi-host ticks.
   
   Ticks require high humidity and moderate temperature. Juvenile ticks
   usually live in the soil or at ground level. They will then climb up
   onto a blade of grass or the leaf of a plant to await a potential
   host. They will sense the presence of a host and begin the questing
   behavior, standing up and waving their front legs. They are able to
   sense a vibration, a shadow, a change in CO2 level, or temperature
   change. When unsuccessful in their "quest" they become dehydrated and
   will climb back down the plant to the ground to become rehydrated.
   Then back up the plant, etc., until they are successful or they die.
   Some ticks have been known to live for over 20 years and they can live
   for a very long time without food. Their favored habitat is old
   field-forest ecozone. One way to cut down the number of ticks is to
   keep the area mowed.
   
  Removing a tick
  
   When you find a tick, use tweezers to pick up the body and pull
   s-l-o-w-l-y and gently, and the mouthparts will release. You should
   see a small crator in your dog's skin, if you see what looks like
   black lines, you've left the head of the tick in. At this point, if
   your dog is mellow enough, you should try and pick it out. Otherwise,
   you may need to take your pet into the vet, as the head parts will
   lead to an infection. Ticks carry a lot of rickettsial diseases,
   including Lyme disease and Rocky Mountain Spotted Fever, so you should
   wash your hands thoroughly with soap after handling a tick.
   
   Some veterinarians will put on gloves, smear one finger with a bit of
   mineral oil and massage the protruding part of the tick for a minute
   or so. The tick will back out.
   
   Tips:
     * Don't use any of the folklore remedies (matches, cigarettes, pins,
       gasoline) that will irritate the tick. They increase the
       likelihood that the tick will "spit up" in you, which increases
       the risk of disease.
     * Oil is not effective because the breathing requirements of the
       tick are so small it could last hours covered with oil.
     * The mouthpiece is barbed rather than spiralled, so trying to
       rotate the tick out doesn't provide any advantage.
     * The preferred method is to use special tweezers designed for that
       purpose, and pull straight out.
       
   Lyme disease (see below) is usually carried by tiny deer ticks (two
   other kinds of ticks have also been identified as carriers) , which
   are the size of the head of a pin. You must look yourself or your pet
   over very carefully to find these kind of ticks. Other ticks can be as
   large as peppercorns. This can vary depending on whether or not the
   tick has yet engorged itself -- the deer tick can be as large as the
   more familiar Dog Tick if it has had time to feed. So if you are in
   doubt, preserve the tick in rubbing alcohol and have your vet take a
   look at it.
   
  Infections or abscesses
  
   If you have left the head of the tick in your pet's skin, chances are
   there will be an infection or an abscess in a week or so. Try
   disinfecting the area thoroughly with 70% alcohol (it takes about 5
   minutes for alcohol to sterilize an area). Ethyl alcohol is less toxic
   than rubbing alcohol; vodka or any high-proof liquor will work, but
   good commercial antiseptic cleansers are recommended. Then apply a
   combination antibiotic ointment. If an infection occurs anyway, take
   your pet in to the vet to have it drained.
   
  Disposing of ticks
  
   To dispose of the tick, drop it into alcohol to kill it, then dispose
   of it. Flushing them down the toilet WILL NOT KILL THEM. Squishing
   them with a thumbnail is not recommended, and is not easy anyway. You
   might save the tick in a jar of alcohol for identification, to help
   decide whether possible infection has occurred.
   
  Where you pick up ticks
  
   Adult ticks can remain on deer and other mammals through the fall and
   winter. If you spend a lot of time outdoors during this period, be
   sure to check yourself, your family and your pets daily for ticks. If
   you hunt or trap, check areas where you cache your game for ticks that
   may have fallen off during handling.
   
   A helpful practice is to wear long pants tucked into white socks; this
   way they crawl up the *outside* of your pants and you can spot them in
   the field. Also wear a hat: they can drop from trees onto your head.
   
   Ticks like long grass on the edges of woods (especially deer ticks)
   They crawl up onto the grass blades and cling to you as you walk past.
   
   If you comb your pet with a wide tooth flea comb right after taking a
   walk, chances are you will find unattached ticks crawling around.
   Ticks don't attach themselves right away: they look around for good
   real estate. It's much easier to remove ticks before they attach, and
   easier to remove newly attached ticks than ones that have been feeding
   for a while.
   
  Combatting ticks
  
   If you have heavy infestations of ticks in your area, spraying your
   backyard against ticks may be a good idea, especially if your pet is
   indoor/outdoors.
   
   If you have a dog, a new product called Preventic appears to be highly
   effective. It is a tick collar that kills ticks shortly after they
   attach to your dog. The active agent is Amitraz, which prevents
   attachment and kills but does not affect fleas. Amitraz is not an
   insecticide (flea killer) but an "arachnicide" (8-legged bug killer -
   ticks and spiders are in the same class.) The collar works best if it
   is kept dry. Rain is OK, but swimming is out as exposure to water
   reduces its effectiveness. Removing the collar is apparently
   non-trivial. You don't need a prescription, although the only place
   you might find it is at the vet's or in a mail-order catalogue.
   Twenty-four hours after putting it on, your dog is protected from
   ticks. Many people have written about how effective it was for their
   dog. It is NOT recommended for cats, however, and some dogs appear to
   have individual sensitivity to it. If your dog becomes lethargic or
   irritable, remove the collar. NOTE THAT THE COLLAR IS TOXIC -- if your
   pet eats any part of the Preventic collar, take him in to the vet
   immediately. Symptoms include vomiting, white gums and unsteadiness.
   There is an antidote for it, called Yobine.
   
   There is a product, called Tiguvon (chemical composition) that is a
   systemic, administered monthly. Its drawbacks seem to be that it is
   expensive and that the tick needs to fully engorge itself to be
   poisoned by the systemic.
   
   Ticks don't typically infest houses, unless you have a pet that had an
   overlooked tick that dropped off and hatched its eggs. In the
   Northeast US and other temperate climates the tick Rhipicephalus
   sanguineus is almost exclusively limited to domestic habitats,
   particularly kennels. Becasue the entire life cycle occurs inside,
   control strategies become similar to that of controlling fleas. You
   will have to spray your house in this case as ticks hatch an
   unbelievable number of eggs. Your local hardware store can give you
   tips on what is best to spray with. You are not too likely to find
   "natural" or low-toxic sprays for ticks. On the other hand, one
   spraying is likely all you need to clear them out of your house. They
   are not tenacious the way fleas are.
   
   Common recommendations for reducing ticks in your backyard are to keep
   the weeds or grass well-mowed. There are commercial sprays effective
   against ticks. If you live in tick-infested areas, always examine your
   dog (and yourself!) after being outside. Control vermin around your
   house and discourage deer and other wild or feral animals from your
   property, as they are often vectors for ticks (as well as a slew of
   other nasties).
   
  Lyme disease
  
   Lyme disease is a complex illness that affects wild and domestic
   animals, including dogs, as well as humans. It is caused by a
   corkscrew-shaped bacterium called borrelia burgdoferi.
   
   First noted in 1977, the disease has rapidly spread throughout the
   contintental US and Canada. Studies have shown that migrating birds
   have helped disperse infected ticks to new areas. Hunting dogs, or any
   dog that runs in tick-infested fields, can bring the problem home with
   them. And so do people who move from place to place with infected
   pets. It is expected that Lyme disease will soon be a problem in all
   48 contiguous US states.
   
   You should note that Lyme disease is fairly easily treatable with
   antibiotics. Problems occur when it is left untreated. Lyme disease
   appears to affect humans a bit differently and is more complex to
   treat.
   
   Sources for additional information on Lyme disease:
     * State and local health departments
     * Your veterinarian or family physician
     * Local Lyme Disease support and informational groups can be found
       in many areas
     * Lyme Disease Foundation, Inc.
       P.O. Box 462
       Tolland, Connecticut 06084
       (203) 871-2900
       (800) 886-LYME
     * The Lyme Disease Electronic Mail Network publishes the " LymeNet
       Newsletter" once every 10-15 days. The Newsletter contains timely
       news about the Lyme disease epidemic. Medical abstracts, treatment
       protocols, prevention information, and political happenings are
       all included. In addition, subscribers may ask questions to the
       patients, doctors and researchers on the net. To subscribe, send
       email to listserv@Lehigh.EDU, with
       
     subscribe LymeNet-L
       in the body of the message. Problem reports only should be sent to
       Marc Gabriel (marc@eclipse.net), the owner of the list.
     * http://www.cdc.gov/ncidod/diseases/lyme/lymedis.htm
       
    Transmission
    
   When a tick bites, the bacterium is transferred into the blood of the
   host. The deer tick (Ixodes dammini) is found in the Northeast and
   upper Midwest; the black-legged tick (I. scapularis) is found in the
   Midwest and Southeast; and the Western black-legged tick (I.
   pacificus) is found mainly in the coastal areas of California, Oregon,
   and Washington. Hosts include deer, migratory birds, rabbits, mice,
   raccoons and skunks ... plus dogs, cats, cattle, horses and humans.
   
   Besides tick bites, Lyme disease may be spread by contact with
   infected body fluids. Studies indicate that transmission may occur in
   this manner from dog to dog, and possibly from cow to cow and horse to
   horse. Transmission from animal to human *may* be possible. In utero
   transmission has been observed. Animals may be reinfected with Lyme
   disease.
   
   The major vector for the deer tick is the mouse; deer have relatively
   little to do with it. Deer simply act as a home for the overwintering
   adults. Removing deer from an area has little long term effect on the
   tick population since the adults simply find another animal to act as
   a winter host.
   
    Symptoms
    
   The symptoms of this illness have now been separated into three
   stages. If caught before the end of the first stage, the illness is
   usually easily treated by antibiotics. In general, a high fever
   combined with stiffness or arthritic symptoms (in both people and
   animals) can indicate Lyme disease. The next two stages represent
   greater systematic involvement and include the nervous system and the
   heart. If still untreated, the third stage involves the
   musculoskeletal system. The erythema migrans (small round rash at the
   site of the bite) is the best early sign of a problem. Unfortunately,
   the tick that bites is usually a larva or nymph and so is seldom seen.
   The resulting rash is seen in approximately 80% of adults but only
   about 50% of children. It is imperative that it be diagnosed early
   since the more severe symptoms can begin quickly. Treatment consists
   of several broad spectrum antibiotics -- including tetracycline,
   penicillin, and erythromycin. This is effective, especially in the
   early stages. Consult with your veterinarian or doctor.
   
    Vaccination
    
   There is a vaccination against Lyme disease for dogs that is now
   available. It is Borrelia Burgdoferi Bacterin (Fort Dodge
   Laboratories). It is supposed to have a duration of immunity that
   lasts through the tick season. One for people is coming out now as
   well. An interesting discussion of what is happening in the veterinary
   community with regard to Lyme disease is summarized in an easy-to-read
   letter titled "Questions 'push' for vaccinations against Borrelia
   burgdoreri infection," in the Journal of the American Veterinary
   Association, 201(10), 11/15/92.
   
  R. Sanguineus
  
   They can carry various diseases including the protozoa Babesia canis
   and the rickettsia Ehrlichia canis, both of which can cause serious
   illness in dogs if untreated.
   
   Also unlike most other ticks R. sanguineus can cause *in house*
   infestations - that is, like fleas you can have full life cycles
   occuring in the privacy of your very own home. In house infestations
   of R. sanguineus in the northeast is apparently not that uncommon in
   sone kennels.
     _________________________________________________________________
   
References and Addresses

     Consumer Reports, August 1991. Contains an article discussing flea
   collars: brands and effectiveness.
   
     Klein, Hilary Dole and Adrian M. Wenner. Tiny Game Hunting. Bantam,
   1991. ISBN 0-553-35331-4. A good reference on how to get rid of fleas.
   
     Melman, Steven A. and Karen L. Campbell, "Flea Control" (Chapter 9
   in August's volume).
   
     Gardens Alive!
   Natural Garden Research Center
   Hwy 48 - PO Box 149
   Sunman, IN 47041
   812/537-8650.
     _________________________________________________________________
   
   
    Fleas and Ticks FAQ
    Cindy Tittle Moore, cindy@k9web.com
    
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                                  K9 WEB 

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