Alfalfa-based pellet that lets you feed and deworm in a single step. Armed with fenbendazole, the active ingredient in all Safe-Guard® products, these pellets control large strongyles, small strongyles, pinworms and ascarids in horses. Safe-Guard 0.5% Alfalfa-based pellets are safe for horses, including foals and pregnant mares. For diary and beef cattle: effective against worms, stomach worms and intestinal worms in cattle in one feeding. Approved for all beef and dairy animals including pregnant beef and lactating dairy cattle.