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item Cox, Nelson - Nac
item Bailey, Joseph
item WILSON, J
item DALE, N
item Buhr, Richard - Jeff
item Musgrove, Michael
item Cosby, Douglas

Submitted to: Southern Poultry Science Society Meeting Abstracts
Publication Type: Abstract Only
Publication Acceptance Date: 6/1/2004
Publication Date: 7/27/2004
Citation: Cox, Jr., N.A., Bailey, J.S., Wilson, J.L., Dale, N.M., Buhr, R.J., Musgrove, M.T., Cosby, D.E., Hofacre, C.L. 2004. Campylobacter jejuni and Salmonella contamination of broiler breeders fed cottonseed versus soybean meal based feed [abstract]. Southern Poultry Science Society Meeting Abstracts. 82(suppl.1):113.

Interpretive Summary:

Technical Abstract: Two studies were conducted to document the effect of dietary cottonseed meal on the incidence of Campylobacter jejuni and Salmonella colonization of broiler breeders. In the first study we were identifying experimental breeder flocks that were free of Campylobacter jejuni (Cj) and Salmonella (Sal) in order to inoculate their reproductive tracts with Cj and Sal and follow persistence and fate. Composited fresh cecal droppings (10-15) from each of the four 30 bird pens were analyzed for Cj and Sal. During the pullet rearing period, three of the four pens were fed a corn-based cottonseed meal diet and the fourth a corn soybean meal diet. At 28 weeks of age, the droppings from all four pens were Sal negative. However, the three cottonseed meal pens were negative for Cj, while the soybean meal flock was Cj positive. In the second study, two separate rooms of breeders were used. One received a corn-cottonseed meal diet from week 2-18, while the other a corn-soybean meal diet from week 2-18. From week 18-28 both rooms were fed a corn-soybean meal diet. At week 28, nine composited cecal dropping samples (10 droppings per sample) from each treatment were analyzed for Cj and Sal. Once again there was no difference in the presence of Sal in birds from either room regardless of feed type. However, 3 of the 9 samples from the soybean group were positive for Cj, while none of the 9 was Cj positive from the cottonseed room. Additional studies are needed to determine: a) if these results would be consistent b) if cottonseed fed birds are more resistant to artificial challenges of Cj and c) if this approach is feasible as a means of purging breeder flocks of Cj.