Large: Vulgaris, Edentatus, Equinus
Form that travels to the arteries
Causes roughening of the arterial walls that can slough off and become clots.
Leading cause of colic
Signs: intestinal damage, bleeding, blood protein loss, lameness in hind leg
Usually develops an immunity, typically affects young horses
Signs: coughing, unthriftiness, weight loss
Diagnosis: eggs in feces
Prevention: anthelmintic for pregnant mare & separation, young foals given anthelmintic
Live in LG intesine & cecum
Lay eggs in anus
3rd stage larva are what infect horses
Signs: missing hair on rump, broken tail hair, rub rump on stall, damage to skin around rump
Diagnose: cellophane tape test
Adults - light infection, little sign
Transmission - Transmammary
Heavy infestation can kill foal
Diagnosis: fecal sample
Prevention: clean mares before birthing, move to clean stall
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