Safe-Guard 0.5% Pellets 5 lb Pail for Use in Horses, Swine, Cows, Zoo and Wildlife Animals For use in beef and dairy cattle, equine, swine, growing turkeys, and zoo and wildlife animals No milk withdrawal! Add Safe-Guard, add pounds: goes straight to the gut to kill internal parasite where they live Broad-spectrum Safe-guard pellet dewormer from Intervet is for use in beef and dairy cattle, equine, swine, growing turkeys, and zoo and wildlife animals Contains 2.27 gms fenbendazole per lb