Mazuri Rodent Breeder 6F Natural High-Protein Small Animal Food is a diet designed especially for breeding rats and mice maintained in breeding colonies. These rat and mice pellets contain yucca shidigera extract, which helps reduce ammonia odors in breeding facilities. The feed offers complete nutrition, so no supplements should be needed when feeding this rat and mouse food. Crafted by PhD nutritionists at Mazuri in collaboration with breeding facilities throughout the USA, it's a great choice for any breeding colony. | Mazuri Rodent Breeder 6F Feed | Size 40 lbs