By Leroy C. Blankenship
Meals defense is a key factor of the Nineties and improvement of the tips offered right here (the powerful applied sciences that could hinder bacterial colonization in the course of propagation) will bring about advertising of enteropathogen-free clean fowl so as to successfully lessen an enormous future health possibility for shoppers. This future health chance, gastrointestinal human ailment, is linked to intake of meals which are infected with Salmonella, Campylobacter, and Listeria E. Coli. clean chook is a hugely publicized resource of those enteropathogens. This booklet gains present learn techniques to controlling the colonization of those pathogens in bird, which come with: immunological methods, aggressive exclusion expertise, environmental intervention ideas and molecular genetic equipment
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New Orleans, Louisiana, July 19-20,1984. H. ), American Association of Avian Pathologists, Inc. Kennett Square, PA. 2. F. Kaufman, EJ. A. Thompson. 1973. Epidemiology of an international outbreak of Salmonella agona. Lancet. 11:490493. 3. Gangarosa, E J . 1978. History and surveillance programs for salmonellosis. In Proceedings National Salmonellosis Seminar. Washington, DC. 4. D. Kirby. 1985. The Salmonella problem and its control in Great Britain. In Proceedings of the International Symposium on Salmonella, pp.
Salmonella in the hatchery. 29.. 14,29.. 30 10 ■■Jest egg (Rinse) Nest litter Floor egg (rinse) Floor litter Sample Type Fig. 7. Salmonella in the multiplier house. Feed Cecal Droppings F. Jones et al. 10 Salmonella was found in one-third of the samples collected from live haul trucks at the plant (Figure 8), but was not found in cloacal swabs collected from birds just prior to kill. Our data on live haul trucks are similar to those reported by Goren et al. 6%), but are lower than those reported by Rigby et al.
Typhimurium to predominate in all samples except water where S. agona was most prevalent. We later confirmed, when the birds were processed, that 69 of 101 ovaries examined were Environmental Factors Contributing to Salmonella Colonization 15 contaminated with S. typhimurium. Before we go any further, let us examine this situa tion with respect to Salmonella contamination of ovaries. The data generated in this study give some clues as to what factors may be involved. Table 4 shows the egg produc tion and hatchability data from two flocks with contaminated ovaries.
Colonization Control of Human Bacterial Enteropathologens in Poultry by Leroy C. Blankenship