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首页> 外文期刊>Poultry Science >Effect of on-farm litter acidification treatments on Campylobacter and Salmonella populations in commercial broiler houses in northeast Georgia
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Effect of on-farm litter acidification treatments on Campylobacter and Salmonella populations in commercial broiler houses in northeast Georgia

机译：农场垃圾酸化处理对乔治亚州东北部商业肉鸡舍弯曲杆菌和沙门氏菌种群的影响

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摘要

Two commercially available litter treatments, aluminum sulfate and sodium bisulfate, were tested to determine their effect on Campylobacter and Salmonella levels associated with commercial broilers during a 6-wk grow-out period. A total of 20 broiler houses at 10 different locations were studied; 5 aluminum sulfate-treated houses, 5 sodium bisulfate-treated houses, and 10 paired, untreated control houses. A single application rate was investigated for each treatment. Fecal samples (n=20 per house) were analyzed at wk 2, 4, and 5 and 6 for Campylobacter and Salmonella. The results indicated that, at the application rates investigated, both acidifying litter treatments caused a slight delay in the onset of Campylobacter colonization in broiler chicks. Salmonella levels remained unaffected, with no significant effect seen with either treatment (P 0.05). Campylobacter populations and Salmonella incidence associated with unprocessed, whole-carcass rinse samples (n=10 per house) analyzed at the end of production (wk 5 and 6) were unaffected by treatment.
机译：测试了两种市售的垫料处理方法，即硫酸铝和硫酸氢钠，以确定它们在6周龄成长期中对与商用肉鸡相关的弯曲杆菌和沙门氏菌水平的影响。共对10个不同地点的20个肉鸡舍进行了研究。 5套经硫酸铝处理的房屋，5套经硫酸氢钠处理的房屋和10对未处理的配对对照房屋。研究每种处理的单一施用率。在第2、4、5和6周分别分析了弯曲菌和沙门氏菌的粪便样本（每间房子n = 20）。结果表明，在调查的施用量下，两种酸化的垫料处理都会导致肉鸡弯曲杆菌定植的开始稍有延迟。沙门氏菌水平未受影响，两种治疗均未见明显效果（P> 0.05）。在生产结束时（第5周和第6周）分析的弯曲菌群和沙门氏菌发生率与未经处理的整car漂洗样品（每间房子n = 10）相关，不受处理的影响。

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