African gray parrot (Casco); History, breeds, and its different species

Document Type : With Animal

Authors

1 M.Sc. Student of Animal Nutrition, Department of Animal Science, College of Agriculture and Natural Resources at the University of Tehran, Karaj, Alborz, Iran

2 M.Sc. Student of Poultry Nutrition, Department of Animal Science, College of Agriculture and Natural Resources at the University of Tehran, Karaj, Alborz, Iran