
It's a little dated, but still has good info:
http://www.armchairpatriot.com/Home-Vet/Plumb's Veterinary Drug Handbook [Desk Ed.] 6th ed. - D. Plumb (Blackwell, 2008) WW.pdf
Both of these veterinary text books


Nutrient Requirements of Poultry
Contains chapters on chickens, turkeys, ducks, geese, and misc. game birds

Field Manual of Wildlife Diseases
Contains plenty of poultry and waterfowl diseases

Last edited: