durvet Duramectin Ivermectin Paste 1.87% for Horses, 0.21 oz (Pack of 2)

Pack of 2
Kills important internal parasites including bots and the arterial stages of S vulgaris with a single dose
Safe to use in horses of all ages including mares at any stage of pregnancy
Stallions may be treated without adversely affecting their fertility
Provides the broadest spectrum parasite control available Kills 35 species and stages combined