- American Poultry Association - buy The American Standard of Perfection here
- California Animal Health and Food Safety (CAHFS) Laboratory System
- California Department of Food and Agriculture
- California Fairs and Expositions
- Mississippi State University - Diseases of Poultry
- National Poultry Improvement Plan
- Purdue University Department of Avian Sciences
- Texas A&M University - Poultry Science Department
- University of California Poultry Web Page - contains some short poultry publications and other info
- US Department of Agriculture
