You are here: Home Education Horses Deworming for Your Horse

Deworming for Your Horse

Below are some sample deworming programs. Fecal egg counts are an important tool for monitoring the effectiveness of your horse’s deworming program and are critical if you decide to decrease the frequency of your scheduled dewormings due to lowered risk.


Month Adult Performance Horse in Stall with Limited Daily Turnout Retired Horse Pastured with a Large Group Yearlings or 2-year-olds Pastured in Group
January Fenbendazole 5-day larvicidal treatment Daily pyrantel tartrate
February Daily pyrantel tartrate Fenbendazole 5-day larvicidal treatment
March Daily pyrantel tartrate
April Ivermectin or moxidectin with praziquantel after first freeze Daily pyrantel tartrate and then moxidectin with praziquantel after last freeze Moxidectin with praziquantel after last freeze
May Daily pyrantel tartrate
June Daily pyrantel tartrate Oxibendazole or pyrantel pamoate if no resistance
July Ivermectin or moxidectin. (skip if low fecal egg counts confirmed) Daily pyrantel tartrate
August Daily pyrantel tartrate Ivermectin
September Daily pyrantel tartrate
October Ivermectin or moxidectin after first freeze Daily pyrantel tartrate and then ivermectin or moxidectin after first freeze Moxidectin
November Daily pyrantel tartrate
December Daily pyrantel tartrate Ivermectin

To read Dr. Crabbe’s complete article on the war against worms, go to the March 2009 issue of Dressage Today magazine. For back issues, call 301-977-3900.


***By Barb Crabbe, DVM ~





Rugby Creek Animal Rescue Inc



Join Us On Facebook

Join Our Rescue Mailing