Submitted to: Poultry Science
Publication Type: Peer Reviewed Journal
Publication Acceptance Date: 6/30/2000
Publication Date: 11/1/2000
Citation: Cox Jr, N.A., Berrang, M.E., Cason Jr, J.A. 2000. Salmonella penetration of eggshells and proliferation in broiler hatching eggs - a review. Poultry Science. 79:1571-1574. Interpretive Summary: Commercial poultry has been implicated as one of several food sources that caused human salmonellosis. Scientists have a better chance of solving the salmonellae on chicken problem if they have a clear understanding of exactly how salmonellae gets into the poultry flocks. This paper discusses the initial and most critical point of salmonellae contamination of chickens. A better understanding of this will assist poultry scientists in developing more effective intervention strategies and eventually reduce human exposure to poultry borne salmonellae and thereby reduce human illness and suffering.
Technical Abstract: The presence of salmonellae in fertile broiler hatching eggs has been clearly identified as a critical control point in the salmonellae contamination of broiler chickens. This paper reviews the published research studies on a) The penetration and proliferation of salmonellae in hatching eggs, b) The consequences of this contamination on the contamination of the final product, c) The egg's defenses against invading salmonellae. A better understanding of the material in this review paper will assist poultry researchers and the poultry industry to continue to make progress reducing and hopefully eliminating salmonellae from fertile hatching eggs, hatcheries and breeder flocks.