1. Unpublished data, Dept. of Poultry and Avian Sciences;J Agger,1989
2. Poultry Times;PW Aho,1991
3. Regulations Governing the Inspection of Eggs and Egg Products. (7CFR Part 59);Anon,1991
4. Anon. (1991b) USDA/National Agricultural Statistics Service (November 1991) Egg products. Washington, DC.
5. New York State Association of Milk and Food Sanitarians Annual Report;RC Baker,1973