It depends entirely upon the metabolism of the dog, some are good doers & will do well on seemingly little food, others, particularly entires, need much more. I have fed raw for 26 years, before it became fashionable, upon the advice of a holistic vet who was a colleague of Ian Billinghurst who had just published his first book. The four dogs I owned at that time all lived to good ages, BC x Kelpie 17 years, LSC German Shepherd 15 years & two Belgian litter sisters who died within thre