Module 6- Parasite Control Flashcards
(36 cards)
the most important ones parasites
strongyles, ascarids, tapeworms and bots
the first stage of the parasite and must go through several stages to become adults
larvae
large group of parasites
roundworms
it is widespread. unless control measures our practiced, they are likely to increase and cause severe injury or death of the horse.
internal parasites
are the most injurious parasites
strongyles
parasites that are generally less harmful
ascarids, bots, and tapeworms
horses affected the most by parasites are
young sucklings or weanlings, and yearlings
the most of the parasites that affecting horses are
nematodes
are single-celled animals that occur in bloodstream and intestinal tract of horses
protozoans
roundworms are by far the most serious and economically important of the worms that occur in horses.
nematodes
occur in horses use pasture mites as intermediate hosts
cestodes
tapeworm that occurs in horses
large worm
absorb nutrients through their skin, having no mouth or anus.
trematodes
the group of nematodes are the most damaging of all the parasites that occur in horses
large strongyles
are much smaller than the large strongyles, usually about 13 mm in length.
small strongyles
the most common tapeworm in horses is in the
genus anoplocephala
the large horse tapeworm and occurs most often in the small intestine.
anoplocephala magna
are the equine stomach worms that cause two rather distinct diseases in horses
gastric and cutaneous habronemiasis
the horse ascarid. this is a very large robust roundworm.
parascaris equorum
horses like people and unlike dogs can have this parasite.
pinworms
is a protozoan disease occurring in horses mules and donkeys. it occur and red blood cells. the life cycle is indirect
babesiosis
symptoms vary depending on where in the central nervous system the organism is located. the most frequent signs include stumbling and in coordination
equine protozoal myeloencephalitis
external parasites of horses includes;
these cause irritation and may carry disease
ticks, mites, chiggers and lice.
has become widely distributed because horses now are commonly transported from one part of the country to another
winter tick