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Sanitary status of 47 pig manures in Brittany: comparison of the effectiveness of manure treatments on the levels of indicator bacteria and two pathogenic bacteria

机译:布列塔尼47种猪粪的卫生状况:比较指示剂和两种病原菌水平上粪便处理的有效性

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摘要

The hygienic performance of three manure treatment systems (simple storage, biological treatment or thermal treatment) was evaluated for effluents collected from 47 piggeries across Brittany, France. Microbial analyses were carried out on raw manure, on the sludge stored in a tank after biological treatment and on the liquid phase stored in a lagoon after sludge settling or after thermal treatment. The effect of the treatments on E. coli, enterococci, Salmonella and Listeria monocytogenes was evaluated. The concentrations of indicator bacteria were highly variable regardless of the farm or the manure management.
机译:评估了三种粪便处理系统(简单的存储,生物处理或热处理)的卫生性能,这些粪便是从法国布列塔尼的47个猪场收集的污水进行评估的。对生肥,经过生物处理后储存在罐中的污泥以及在污泥沉降或热处理后储存在泻湖中的液相进行微生物分析。评估了治疗对大肠杆菌,肠球菌,沙门氏菌和单核细胞增生李斯特氏菌的影响。无论养殖场或粪便管理如何,指示细菌的浓度都存在很大差异。

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