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首页> 外文期刊>Canadian Veterinary Journal: La Revue Veterinaire Canadienne. >Methicillin-resistant Staphylococcus aureus (MRSA) contamination of retail pork.
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Methicillin-resistant Staphylococcus aureus (MRSA) contamination of retail pork.

机译：零售猪肉中耐甲氧西林的金黄色葡萄球菌（MRSA）污染。

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摘要

Recent reports of isolation of methicillin-resistant Staphylococcus aureus (MRSA) from food animals have raised concern about the potential for foodborne transmission. This study evaluated the prevalence of MRSA contamination of retail pork from 4 Canadian provinces. Methicillin-resistant Staphylococcus aureus was isolated from 31/402 [7.7%, 95% confidence interval (CI): 5.5% to 10.7%] of samples. Adjusted for clustering at the provincial level, the prevalence was 5.8% (95% CI% 2.2% to 14.4%). The most common clone was Canadian epidemic MRSA (CMRSA)-5 (12/31, 39%), which has been widely identified in horses and horse personnel, but not in pigs. Ten of the 31 (32%) isolates were nontypable by pulsed-field gel electrophoresis (PFGE) and belonged to spa 539/t034, a clone that is associated with food animals internationally. Nine (29%) isolates were CMRSA-2, a common human epidemic clone that has been found in pigs in Canada. While the relevance of contamination of retail meat is currently unclear, further study is required to determine if food may be a source of infection.
机译：从食用动物中分离出耐甲氧西林的金黄色葡萄球菌（MRSA）的最新报道引起了人们对食源性传播潜力的关注。这项研究评估了加拿大4个省的零售猪肉的MRSA感染率。从31/402 [7.7％，95％置信区间（CI）：5.5％至10.7％]样品中分离出耐甲氧西林的金黄色葡萄球菌。经过省级聚类调整，患病率为5.8％（95％CI％2.2％至14.4％）。最常见的克隆是加拿大流行性MRSA（CMRSA）-5（12/31，占39％），已在马匹和马匹中广泛发现，但在猪中却没有发现。 31个分离株中有10个（32％）无法通过脉冲场凝胶电泳（PFGE）进行分型，属于 spa 539 / t034（与国际食用动物相关的克隆）。九个（29％）分离株是CMRSA-2，这是加拿大猪中常见的人类流行病克隆。尽管目前尚不清楚零售肉污染的相关性，但仍需要进一步研究以确定食物是否可能是传染源。

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