These chicken backs include soem skin and weight approx  100 to 200gms each and are great for medium sized dogs, aiding good dental health plus providing a lot of nutritional value of chicken. They provide the essential minerals calcium and phosphorus for healthy teeth and strong bones plus are a good source of B 3 (Niacin) and B6 (Pyridoxine) which are vital to the healthy functioning of the digestive, immune and nervous systems plus the skin and coat. The meat to bone ratio on frames is approx 60:40.