Nematodes 2

Gastrointestinal Helminths is...

what is the phylum, order, family and sub family or nematodes of equine

What migration route does small strongyles take?

There are as many as __ species of the sub family large strongyles known as Stronglinae and as many as 15 to 20 different species can commonly be found in one host

all strongyles are knonw as __ or __

What are the 3 large strongyles?

How do larger strongyles travel through the body?

What is the Strongyloides found in horse and pig?

What is the Strongyloides found in cow?

What are some caracteristics of Strongylus vulgaris?

What is the migration of Strongylus vulgaris?

The pathology of Strongylus vulgaris is in the movement of the ___ resulting in inflammation of arteries, clots and moving clots that block the flow of blood

___ the 3rd stage larvae burrows into the wall of the gut and reaches the liver via portal veins. Larvae makes way back to the cecum and into the bowel lumen

__ the 3rd stage larvae molts in the intestinal wall and then 4th stage then makes its way to the right half of the liver, next to the cecum. the 4th molt occurs 4 months later and the adults reenter the lumen of the larger intestines to mate and produce eggs.

There are about __ species of small strongyles and almost all can parasitize the equine; however like Toxascaris leonina, they do not migrate vscerally like the large strongyles

__ larvae burrow into the intestinal wall and lay dormant waiting for the proper time to emerge. During this encysted period, unlike the adult parasites, small strongyles larvae are not susceptible to most deworms.

__ is a parasite with a direct life cycle, they like the strongyles inhabit the cecum and the colon of the horse.

__ inhabits the appendix of the humans, also the large intestines and female genitalia

Enterobius vermicularis is known as "__"

Oxyuris equi is known as

__ is known as itchy anus

__ is not common, but is mentioned since it is an oxyurid of the horse and its entire life cycle is completed in one location, the large intestines

Probstmayria vivipara is known as the..

Adult females of Probstmayria vivipara produces __ __ __

__ is the only ascard in the equine and is the largest of all ascarids of all domestic animals

__ are found in the anterior part of the small intestines

Toxocara and __ go through the same transtracheal migratory route

There are two primaries -Gasterophilus species- (three total) :Name them

The adult flies of Gasterophilus sp. have __ mouth parts and cannot feed, living only to mate and deposit eggs on the second horse

Gasterophilus sp. existence in 3 different forms: name them

Male and female flies of Gasterophilus intestinalis reproduce laying eggs on the haris of the __ and __

After 5 days of Gasterophilus intestinalis sitting on the horses forelimb, the horse consumes the eggs with hatch and migrate to the __ in the mouth

Larvae of G. intestinalis remain in the tongue for __ days and then move to the lumen to be swallowed

Intestinalis will attach to the __ and live for about 11 months.

Female and male flies reproduce with eggs being laid on the intermandibular spaces

Eggs of G. nasalis hatch in 5 days, crawl towards the mouth and then __

In about __ weeks G. nasalis will move to the lumen and be swallowed, the larvae will attach to the duodenum.

__ the flies they their eggs on the lips, these hatch in 2-4 days when the horse is drinking water.

carbon disulfide

Equigard

Trichlofon

Ivermectin

When is customary to deworm your horse?

__ is the intestinal threadworm of the horse, and is far less complex than the intestinal threadworm of the dog

Foals and pigs are the two domestic animals most commonly infected via nursing 4-7 days after foaling, name this parasite

__ is the second worm shared with another species besides S. westeri.

nick name for Trichostrongylus axei

__this infection can result in ulcers, weight loss, anorexia, hemorrhage and can kill the host

__ is zoonotic and has a high incidence in asia

This family has four members that share the abomasum with T. axei.

What does the Family of Spiruroidea include?

What are the two flies that transmit Habronemasis and Drachia?

Habronema and Drashia can perpetrate the host in what two ways?

What is the intermediate host for horses with tapeworms?

why do you have to use special deworms in dogs/cats with tapeworm but not horse/cow?

What four nematodes belong to the family Trichostrongyloidea?

__ of ruminants are Nematodes of the Order strongylida

Virtually all __ animals are infected with strongylid parasties

Are there ascarids in ruminants?

What is the hookworm for cattle?

What is the hookworm for sheep and goats

What are two ways the ruminant host can be infective with hookworms?

Two members are incriminated as true trouble childern for cows and sheep, also known as "nodular worm disease"

__Larvae are consumed and mature in the intestines and pass to the large intestines where they penetrate the wall and form black nodules

__similar to the sheep nodular worm but these nodules are formed in the small intestines

What lung worms of ruminants belong to the Family Trichostongyloidea

Super family-- __ -- is another lungworm that inhabits the lung of the ruminant but is classified as a super family since it has an indirect lifecylce requiring the earthworm or snail.

__ is a member of the metastrongyloidea super family known as a lungworm, but can inhabit the circulatory system in other species

Most verminous pneumonias attributed to "lungworms" is a direct result of __

What is the lungworm lifecycle?

What is the roundworm of swine

What is the roundworm of man

What is the lifecycle of Ascaris suum similar to?

Like the roundworm of Toxocara and Parascairs, Ascaris suum live in the __

the lifecycle that produces the condition known as "thumbs" is--

What percent of the worlds population is positive for Ascaris lumbricoides?

__ is known as the "common kidney worm" is unique in that it has a direct and indirect lifecycle

What is the intermediate host for Stephanurus dentatus?

The worm of this parasite occupies the kidney and produce oval eggs that pass out with the urine and incubate in the soil.

The larvae of Stephanurus dentatus may do what to parasitize another animal?

This parasite is the 2nd most common in pigs

What is primary route of infection for Strongyloides ransomi, suis, and westeri

__ is from the order Spirurida