Durvet Ivermectin Paste Dewormer | With a single dose Invermectin kills 35 species and stages of worms and bots including those parasites most dangerous to young horses. Safe enough to be used on horses of all ages including foals, broodmares and breeding stallions. Please note this is for ONE BOX of wormer - not an entire display. Size: 6.08 gm Up to 1250lbs
