When to Worm Horses?

Each horse should be dewormed every 6 months with an Ivermectin product (Spring and Fall). Ivermectin is a larvicidal (will kill parasite larvae), and if used every 6 months on each horse, large strongyles will be eliminated from your farm.

What months do you worm horses?

All horses should be wormed in the late autumn with a combined round/tape wormer to remove bots, tapeworms and any adult roundworms. 4. For many horses once a year worming will be sufficient. Horses identified with higher worm burdens will need to be wormed more frequently.

What is the best worming schedule for horses?

Traditionally horses have been dewormed every two months, but this has led to parasite resistance among horses. For this reason, we recommend performing Fecal Egg Counts (FEG) in the spring (ideally spring and fall) to determine the number of eggs a horse has in its manure.