Frozen Day Old Chicks. Day old chicks are classed as whole prey, they make an ideal raw snack or treat for dogs and can be a small meal for some cats, they are a particularly great natural food source for reptiles and birds of prey. Chicks are easily digestible, contain high amounts of soluble calcium, a good source of moisture and they are easy to portion control.

Frozen chicks are also a great, cheap way to add more variety into your animals diet. The size of these chicks will vary.