Worming Donkeys, Mules and Horses Parasite Prevention: Remove manure daily from paddock, stalls and pastures. Be sure pastures and paddocks are well-drained and not overpopulated. Compost manure rather than spreading it on fields where horses graze. Use a feeder for hay. Do not feed on the ground. Initiate effective fly control programs.​​ Give a fecal… Read More De-Worming Donkeys, Horses and Mules