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|標題:||Caecal culture enhances performance and prevents Salmonella infection in broilers||作者:||Yu, B.
|關鍵字:||broiler;caecal culture;competitive exclusion;performance;competitive-exclusion;young chicks;colonization;bacteria;microflora;poultry;flora;tract;crop||Project:||Journal of Applied Poultry Research||期刊/報告no：:||Journal of Applied Poultry Research, Volume 8, Issue 2, Page(s) 195-204.||摘要:||
This study investigated the effects of caecal culture treatment of day-old chicks on performance and on the prevention of Salmonella infection in broilers. Chicks inoculated with caecal culture from healthy chickens at 1 day of age and challenged with salmonella at 3 days of age had higher weight and volatile fatty acid concentrations in the caeca than the group without caecal culture treatment (P <.05). More bacteria were associated with caecal mucosa (SEM scan) and significantly fewer anaerobes and coliform cells were present in the caeca (P <.05) than in birds that were challenged with salmonella without caecal culture (negative controls). Although birds inoculated with caecal culture with salmonella challenge (positive controls) did not show improved performance throughout the whole growing period (P >.05),they showed significant (P <.05) improvement in growth compared to the other groups at the critical period of 0-3 wk old.
|Appears in Collections:||動物科學系|
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