Deworming Programs
Recent research has shown that 80% of the parasite egg population comes from 20% of the equine population on a given farm indicating most horses are resistant to parasites. Parasite resistance to dewormers is increasing due to frequent deworming and no new classes of dewormers are currently being developed.

Colts Head Veterinary Services has the following recommended programs:

Deworming Schedule Based on Fecals
Deworming Schedule NOT Based on Fecals
Deworming Schedule for Horses Less Than 1 Year of Age

This document is presented in Adobe's Portable Document Format (PDF). To view a PDF file, you must have the Acrobat Reader program. If your computer does not have this free software, download it here.