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LAM-Horse
parasites
Question | Answer |
---|---|
Management | worm every 6-8 weeks rotate wormers rotate pastures remove manure regularly keep young horses separate adult horses quarantine and worm new horses |
Large strongyles | (bloodworms and red worms) Strongylus most pathogenic habitat: larva migrate to and damage the crainial mesenteric artery/adults found in cecum and lg intestine signs: can cause embolic colic (ileus/necrosis/torsion/rupture) |
Small strongyles-multiple species | habitat: larva burrow into intestinal wall/adults found in cecum and lg intestine signs: wt. loss, diarrhea, pos. death (with heavy loads) |
Strongyloides westeri | (threadworm) Habitat: sm. intestine/transmammary transmission Signs: coughing from lung migration/acute diarrhea in 1-3 week old foals/first parasites egg to show up in foal's stool |
Parascaris equorum | (equine roundworm) habitat: small intestines signs: "summer cold" (tracheal migration)/can cause obstructive colic and possible intestinal rupture in foals |
Gastrophilus | (bots) habitat:maggots of bot fly live in horse's stomach (adult fly lays eggs on horse's hair) signs: "worry"factor from adult flys annoying horse/oral ulcers/stomach problems/pos. stomach perforations |
Anoplacephala | (equine tapeworm) Habitat: sm. intestine Intermediate host: orbatid mite (plant and soil mite) Signs: unthrifty/ pos. obstructive colic |
Habronema | (stomachworm) Habitat:stomach, housefly carries larva to horse's mouth signs:nodules in stomach wall (pos.gastritis) "summer sores" |
Oxyuris equi | (equine pinworm) habitat: rectum signs: anal itching/broken tails/use to scotch tape to collect egg samples |