Open Range Water Buffalo Bully Sticks are lower calorie than beef, high in minerals, BSE free and have 45% less cholesterol than beef. Water buffalo meat is very lean and high in protein. As with all grass fed animals, the meat is also a good source of omega-3 fatty acids. Open Range products contain no hormones, antibiotics, steroids or preservatives. Their free range pet chews provide an all-natural treat for your much loved four legged friends.