PetAg PetLac Puppy Milk Replacement Liquid, 32-oz bottle
Casein is a family of related phosphoproteins. These proteins are commonly found in mammalian milk, comprising c. 80% of the proteins in cow’s milk and between 20% and 45% of the proteins in human milk. Sheep and buffalo milk have a higher casein content than other types of milk with human milk having a particularly low casein content.