Equine GI Parasites Flashcards
What is the horse pinworm?
Oxyuris equi
What are clinical signs of pinworm infection in a horse?
Anal pruritus, tail rubbing
How do you dx Oxyuris equi?
Tape from perineal region
How does Oxyuris equi cause perineal discomfort?
Female worms crawl out of anus and cement eggs to perineal region
What is the roundworm of horses?
Parascaris equorum
Why does Parascaris equorum cause respiratory sigs?
Migrates through lungs and predisposes them to infxn
What are the two most common clinical signs of Parascaris equorum in young foals?
Resp signs and intestinal impaction
What can Parascaris equorum cause in adult horses but less so in young horses?
Immune mediated hypersensitivity
Why do you want to kill Parascaris equorum slowly?
Huge die-off will cause impaction
If a recently dewormed horse presents with colic, what should you consider?
Parascaris equorum impaction
What is the tapeworm of horses?
Anoplocephala magna/perfliata, Paranoplocephala mamillana
What equine parasite causes GI disturbances and ulceration, unthriftiness, edema, and colic?
Tapeworm
How do you treat tapeworm in horses?
Praziquantel
What is the small stomach worm of horses (hairworm)?
Trichostrongylus axei
Causes chronic gastritis and wt loss d/t penetration of the mucosa, ulceration, and mucosal thickening
Trichostrongylus axei