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At Cottonwoods
we use a product called liquid
heartworm preventative. It is a liquid that is
mixed by our vet, containing Bovine Ivermectrin.
It is administered monthly in food according to
the animals weight. It is recommended not to give
directly into the mouth as it causes the animal to
salivate and does not apparently "taste"
good, mixing with canned dog food works well.
(some wolfdog owners say their animals love the
stuff - not mine)
Before starting this type of program, have your
animal tested for heartworm & be sure to let
your vet know if your animal is part Collie!
Collie's and a few other breeds cannot tolerate
Ivomectin.
I have heard wolfdog owners say they mix a
dosage themselves, or use straight cattle
Ivermectrin, if you choose to do this,
please DO NOT use the Ivermectrin Plus.
This product covers Heartworms, Round worms,
Hook worms, and Whip worms. It also is SAID to aid
in the control of fleas, ticks, and mange. It does
not cover tape worms, but you can "see"
tape worms in the stool.
Another thing to use is Strongid-T along with a
heartworm preventative. This is also given monthly
according to weight and can be given directly into
the mouth. (Seems to taste great)
A dose of Drontel, given usually around January
(before breeding season) might be a good idea.
This is a pill and is the only thing I know of
that gets rid of ALL worms (with the exception of
Heartworms). It is very expensive but worth the
money.
Most parasites are caused by fleas. You can aid
in prevention by administering products like
Frontline.
Since many intestinal parasites may be
transmitted by oral-fecal contact, sanitation is a
key part of control. Keep your pet's living
quarters as free of feces as possible to reduce
the chances of infection. Remove dog feces from
back yards at least weekly.
If any information contained here in is
considered to be inaccurate, by all means please
let me know.
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Some
Information About Internal Parasites
Early diagnosis of the presence and species of
intestinal parasite is important, for not all
worms respond to the same treatment. Therefore,
stool samples should be taken to the veterinarian
for microscopic examination if worms are
suspected. Many veterinarians include the stool
check as part of the annual health examination.
Most worm infestations cause any or all of
these symptoms: diarrhea, perhaps with blood in
the stool; weight loss; dry hair; general poor
appearance; and vomiting, perhaps with worms in
the vomitus. However, some infestations cause few
or no symptoms; in fact some worm eggs or larvae
can be dormant in the dog's body and activated
only in times of stress, or in the case of
roundworms, until the latter stages of pregnancy,
when they activate and infest the soon-to-be-born
puppies.
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One of the most commonly seen intestinal
parasites in dogs is Roundworms
(Toxocara canis). Roundworms do not
typically infest adults, and adult dogs do not
usually show signs other than listed above. Dogs
become infected by ingesting worm eggs from
contaminated soil. The eggs hatch in the intestine
and the resulting larva are carried to the lungs
by the bloodstream. The larva then crawls up the
windpipe and gets swallowed, often causing the pup
to cough or gag. Once the larvae return to the
intestine, they grow into adults. Roundworms
remain in the body tissues as "second stage
somatic larvae." If these second stage
somatic larvae encyst in a female and she gets
pregnant, transplacental infection of the fetus
will occur during the last stages of pregnancy
while still in their mother's uterus to infest
puppies. Pups can also get roundworm through
mother's milk. This explains why, in some areas,
up to 95% of puppies are born with infections of
Toxocara canis. Nearly every puppy that is born
with roundworms contracted from its mother.
Roundworms are active in the intestines of
puppies, often causing a pot-bellied appearance
and poor growth (also a rough hair coat). A severe
infestation can cause death by intestinal
blockage. Worming
the bitch has no effect on the encysted larvae and
cannot prevent the worms from infecting the
puppies.
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Hookworms
(Ancylostoma, Uncinaria spp.) Are
another common pet invader. The males and females
mate, and the female produces eggs that are passed
in the feces. About two days after passage the
hookworm egg hatches, and the juvenile worm (or
larva) develops into an infective stage in about
five days. The next host is infected when an
infective larva penetrates the host's skin, are
ingested in the larval form, or in the case of a
puppy are passed through the mother's placenta or
milk. The juvenile worm migrates through the
host's body and finally They attach to the
animal's small intestine where it grows to sexual
maturity. Hookworms are blood feeders and the
mouthparts of hookworms have teeth. Attachment
causes hemorrhages and leave bleeding sores.
Hookworm disease can have devastating effects due
to the loss of excessive amounts of blood.
Hookworms may cause anemia and black feces in your
pet. A severe hookworm infestation can cause
enough damage to kill puppies, but chronic
hookworm infection is usually not a problem in the
older dog.
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There are two common types of Tapeworm
in pets. One type, Dipylidium caninum
is spread when the perianal region of the dog
becomes contaminated with eggs when eggs are
passed in the feces, and the flea ingests the
eggs. The dog is infected when they ingest an
infected flea. Hence the importance of controlling
fleas on your pet! The other type, Taenia, is
spread when the animal eats wildlife infested.
Both types of tapeworms produce proglottids (often
referred to incorrectly as "segments")
that are shed from the tapeworm, they pass out of
the animal's rectum. They are flat and move about
shortly after excretion. When dry, the Dipylidium
caninum segments look like "cucumber
seeds", and the Taenia segments look like
"rice grains." These egg packets may be
seen on the pet's anal area and in their bedding.
Though tapeworms don't cause physical damage like
hookworms, they do compete with the pet for the
nutritional value of its food, causing an
unthrifty appearance and rough hair coat. Tapeworms
cannot be killed by the typical over-the-counter
wormer.
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Whipworm
(Trichuris vulpis) The eggs are passed in the
host's feces but are not infective until about
three weeks after being passed. When an infective
egg is eaten by the appropriate host it hatches in
the small intestine. The juvenile worm migrates
and attaches to the large intestine or cecum (a
blind sack where the small and large intestine
join) their anterior ends embed in the cells that
line the intestine. There it reaches sexual
maturity. The worms live a long time and a animal
can be re infected constantly. This worm may cause
chronic diarrhea with red blood in the stool,
anemia and a general unfit appearance in dogs.
Occasionally adult whipworms can be seen in the
stool when the infestation has already caused some
debilitation or weight loss in the dog. They look
like pieces of thread with one end enlarged.
Infestations are usually light, so an examination
of feces may not reveal the presence of eggs.
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Dirofilaria immitis, commonly known as Heartworm,
is a potentially lethal internal parasite in pets.
Mosquitoes infect pets by biting them. The larval
form of the heartworm migrates in the pet's body
for about six months and finally stops in the
heart when the worm becomes an adult. Your
veterinarian must draw a blood sample and test it
to detect the presence of heartworm. The animal
usually doesn't show signs of infection until late
in the disease process. Inflammation and
thickening of the heart result in symptoms such as
respiratory insufficiency, a dry chronic
nonproductive cough, and vomiting. The animal may
tire easily even if only given light exercise and
the disease can be fatal. Treatment of heartworm
disease is available, but it is risky.
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Ringworm
is not a worm at all, but a fungal infection
of the skin. It can be difficult to diagnose in
animals, as the lesions do not look the same from
case to case. Some animals, especially cats, can
carry the fungus in their hair coat without
showing signs of itching, scaly skin, and hair
loss. In people, the classic lesion is a raised,
reddened, and itchy "ring." *Ringworm
will glow under a blacklight
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More To Watch
Out For
Sarcoptic
Mange or scabies is another
condition in dogs. This mite burrows under the
skin, and causes severe itching, scabs, and hair
loss. In extreme cases, the dog may even have a
generalized illness. Skin scrapings to find and
identify the mite are often negative. In humans, a
pinpoint red rash is often found on the chest and
abdomen. Treatment in dogs includes multiple dips
to kill the mites, and medications for itching and
secondary infections. A new injectable drug,
Ivermectrin, can be used to treat mange, although
it is not yet approved for this use, and should
not be used in Collie dogs. *Another
type of mange is Red Mange or Demodectic Mange.
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Coccidiosis
often referred to as the "coccidia."
Some species cause diseases that result in mild
symptoms that might go unnoticed (i.e., mild
diarrhea) and eventually disappear, while other
species cause highly virulent infections that are
rapidly fatal. A host is infected when it ingests
oocysts that have been passed in the feces of
another host. The oocyst excysts in the host's
small intestine, it can result in destruction of
massive numbers of cells in the host and,
ultimately, lead to death.
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Giardiasis
AKA Giardia Lives in the small
intestine of the host. Cysts, which are resistant
to adverse environmental conditions, are passed in
the feces of an infected host, and the next host
is infected when it ingests cysts in food or water
contaminated with feces. It adheres closely to the
lining of the intestine, and in heavy infections
much of the lining of the small intestine can be
covered with trophozoites. The symptoms associated
with giardiasis range from none (in light
infections) to severe, chronic diarrhea (in heavy
infections) Some authorities believe that Giardia
infects a number animals particularly beavers, and
that animals contract giardiasis from drinking
stream water contaminated with cysts from beavers.
Although mountain streams may appear to be
"sparkling clean," some contaminated
host upstream may be using your animals drinking
water as a toilet!
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SIGNS
OF ILLNESS
bloody and/or dark diarrhea,
improper or reduced absorption of nutrients and
weight loss, anemia,
listlessness, dehydration and apparent weakness
Some
information obtained and used with permission from
Dr. Peter W. Pappas, Professor and Chairperson
Department of Zoology, The Ohio State University
1735 Neil Avenue, Columbus, OH 43210-1293
e-mail: pappas.3@osu.edu
Phone: 614-292-8088; FAX: 614-292-2030
(http://www.biosci.ohio-state.edu/~zoology/zoology.html)
(http://www.biosci.ohio-state.edu/~zoology/parasite/alphabetic.html)
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