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Effects of prebiotics and probiotics on the colonization and immune response of broiler chickens challenged with Salmonella enteritidis

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Effects of prebiotics and probiotics on the colonization and immune response of broiler chickens challenged with Salmonella enteritidis

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Título Effects of prebiotics and probiotics on the colonization and immune response of broiler chickens challenged with Salmonella enteritidis
Autor Ribeiro, Andrea Machado Leal
Vogt, Lilian Kratz
Canal, Cláudio Wageck
Cardoso, Marisa Ribeiro de Itapema
Labres, Raquel Valim
Streck, André Felipe
Bessa, Marjô Cadó
Abstract The present study aimed at evaluating the effect of the prebiotic Bio Mos™ (2 kg/ton up to 10 days; 1 kg/ton from 10 to 21 days; and 0.5 kg/ ton from 21 days to slaughter), of the probiotic Lac XCL 5x™ (by spraymixing), of a combination of the two supplements (prebiotic + probiotic), and of one growth promoter antimicrobial agent (Avilamycin at 15 ppm). Birds were orally challenged with inoculated Salmonella Enteritidis (SE) 106 CFU at 3 days of age. Four hundred and eighty male Ross chicks were used. The experiment lasted 28 days, and the analyses were conducted at 15 and 28 days of age. Cecum and liver bacterial colonization of production of anti-SE antibiodies, intestinal micrometry and bird performance were assessed. Neither the prebiotic, nor the probiotic influenced performance or production of anti-SE antibodies in SE-challenged birds. Intestinal micrometry and bird mortality were not influenced by prebiotic or probiotic supplementation, or by the antimicrobial agent. The use of an antimicrobial agent produced higher SE CFUs in cecum bacterial counts, while prebiotic and probiotic yielded lower counts. The combination prebiotic+probiotic did not produce significantly different results from the individual use of the additives.
Contido em Revista brasileira de ciência avícola= Brazilian journal of poultry science, Campinas, SP. Vol. 9, n. 3 (jul./set. 2007), p. 193-200
Assunto Frango
Salmonella enteritidis
Origem Nacional
Tipo Artigo de periódico
URI http://hdl.handle.net/10183/20572
Arquivos Descrição Formato
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