Horse Health 1.87% Ivermectin._x000D_ _x000D_ This product is intended for animals only._x000D_ _x000D_ For use on all horses, including broodmares, stallions and foals without age restriction. ,_x000D_ _x000D_ Used to aid in the control of: _x000D_ 46 species and stages of worms and bots combined, _x000D_ All 3 stages of the two most common bot species , _x000D_ _x000D_ Directions for use: _x000D_ Use 6 times per year for broad spectrum parasite control , _x000D_ One syringe deworms horses up to 1,250 lb. (600 kg.), _x000D_ _x000D_ View manufacturer and/or label information