Safe-Guard 0.5% Multi-Species DewormerProduct Description Safe Guard 0. 5% Multi Species Dewormer Ingredients Fenbendazole 2. 27 Grams Per Pound. Key Features Multi species medicated dewormer for equine, dairy cattle, beef cattle, swine, turkeys, hoofed wildlife and zoo animals No milk withdrawal in dairy cattle The only fda approved ingredient to treat all stages of encysted small strongyles Made in the usa