Great for dogs with beef cattle allergies.

Studies show a significant percentage of dogs have beef cattle allergies. Enjoy the health benefits of the popular collagen sticks without the beef cattle allergy. Home Range Water Buffalo Collagen Bully Sticks are single source protein treats that provide essential nutrients, vitamins, and minerals. Collagen is found below the top layer of skin, two layers below the tough outer layer that is used for leather and upholstery, and notably rawhide, and is one of the key elements in connective tissue. Collagen is like a glue that helps to hold things together.