Durvet Ivermectin Dewormer Paste for Horses, 6 Doses, 0.21 oz Convenient 6 Pack Removes worms and bots with a single dose Ivermectin Equine Paste 1.87-percent For oral use in horses only Ivermectin Paste Dewormer - 6.08g dose @ 1.87-Percent (6 Doses)