Competitive exclusion ofSalmonella typhimuriumin broilers fed with vermicompost and complex carbohydrates

Autor:	J. L. Spencer, H. W. Modler, J. R. Chambers
Rok vydání:	1998
Předmět:	Salmonella animal structures General Immunology and Microbiology Inoculation Fructooligosaccharide Broiler Biology engineering.material medicine.disease_cause biology.organism_classification digestive system diseases Microbiology Caecum Animal science Food Animals medicine engineering Animal Science and Zoology Colonization Vermicompost Feces
Zdroj:	Avian Pathology. 27:244-249
ISSN:	1465-3338 0307-9457
DOI:	10.1080/03079459808419331
Popis:	Vermicompost (VC) was produced by earthworms fed with fresh chicken faeces, and was earth-like in appearance and odour. In three experiments, VC was sprinkled on the first feed of newly-hatched broiler chicks. Treated and control groups were challenged on day 6 by the addition of seeder chicks that had been inoculated orally with Salmonella typhimurium. Chickens were killed at intervals during a 6-week period and were tested for colonization of the pathogen in the crop, caecum and internal organs. The VC-treated groups were significantly more resistant (p < 0.01) to colonization by S. typhimurium than the untreated controls. In one experiment, the VC treatment appeared to have conferred complete protection against colonization of both the crop and caecum. Colonization of the crop was increased transiently by addition to the diet of 2.5% fructooligosaccharide, xylo-oligosaccharide or transgalactosylated oligosaccharide. The influence of these carbohydrates on colonization of the caecum was variable.
Databáze:	OpenAIRE
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