1. Department of Health and Human Services, US Food and Drug Administration. 2009. Salmonella spp. Bad Bug Book: Foodborne Pathogenic Microorganisms and Natural Toxins Handbook. Accessed Oct. 2010. http://www.fda.gov/food/foodsafety/foodborneillness/foodborneillnessfoodbornepathogensnaturaltoxins/badbugbook/ucm069966.htm.
2. Animal sources of salmonellosis in humans;Sanchez;J. Am. Vet. Med. Assoc.,2002
3. Cox, N. A., and J. E. Bailey. 1991. Present strategies to intervene in Salmonellae colonization of poultry. Pages 1-3 in Proc. 38th Maryland Nutr. Conf. Univ. Maryland, College Park.
4. Foxcroft, P. D. 1991. A European view of animal by-products in feed. Pages 93-96 in Proc. 26th Natl. Mtg. Poult. Health Condemnations. Delmarva Poult. Ind. Inc., Ocean City, MD.
5. Feed quality assurance in the poultry industry;Brunton,1990