Chemical Treatment for Internal Parasites Flashcards
The chemical that kills worms is ______, and it is administered _____
Anthelcide; orally (paste, nasogastric intubation, pellets)
Other dewormers include the _____ group
Benzimidazole (oxibenazole, fenbendazole, mebendazole, thiabendazole)
The dewormer that small strongiles are developing resistance to is…
Fenbendazole
Bendazoles kill by interfering with the _____ of the worm
Energy metabolism (worm starves)
This dewormer interferes with neuromuscular coordination of the worm, paralyzing it.
Pyrantel (pyrantel pamoate)
This dewormer is safe for nursing mares.
Praziquantel
Deworming schedules are dependent on…
- number of horses together
- pasture or corral area
- stocking rate (# of horses per acre)
- age of horses
Adult horses should be dewormed every…
3-4 months (varies though)
Weaned/yearling horses should be dewormed every…
2 months
Horses in a high stocking density should be dewormed every…
2 months
Most dewormers are active in a horse’s system for…
24 hours
One dewormer that is toxic to dogs is…
Ivermectin (deadly)