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首页> 外文期刊>Veterinary Microbiology >Reservoirs of Staphylococcus aureus in meat sheep and dairy cattle.
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Reservoirs of Staphylococcus aureus in meat sheep and dairy cattle.

机译：肉羊和奶牛中金黄色葡萄球菌的储库。

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The objective of the study was to investigate reservoirs and transmission of S. aureus in ewes and lambs in 3 meat sheep flocks. Repeated sampling of milk, teat skin, nasal- and vaginal mucous membranes was performed and samples were analysed for S. aureus. For comparison, samples were also collected from cows and young heifers in 3 dairy cattle herds. Selected isolates were compared by pulsed-field gel electrophoresis (PFGE). S. aureus was detected in 8 (1.5%) of 520 milk samples from ewes and in 38 (6.4%) of 588 milk samples from cows. From body site swabs, S. aureus was found in 394 (32.6%) of 1208 samples from sheep and in 67 (16.0%) of 420 samples from cattle. The proportion of S. aureus-positive nasal swabs from ewes and cows were 56.7% and 13.9%, respectively. From lambs, 58.2% of the nasal swabs were S. aureus-positive. In each flock, one S. aureus pulsotype predominated. Identical S. aureus pulsotypes were found in milk and from body sites. Paired S. aureus isolates from the nasal cavity of (i) ewes and their lambs, (ii) twins and (iii) from repeated swabs of individual ewes were compared by PFGE, and in the majority of cases the two isolates were identical. The results contribute new knowledge indicating frequent transmission of S. aureus between the dam and her lambs and within animals in a flock. In contrast to cattle, S. aureus is frequently present in the nose of sheep which may represent the primary reservoir of S. aureus in sheep flocks.
机译：该研究的目的是调查 S的储层和传播。 3个肉羊群的母羊和小羊中的金黄色葡萄球菌。重复取样牛奶，乳头皮肤，鼻和阴道粘膜，并分析样品的i。金黄色。为了进行比较，还从3个奶牛群的母牛和小母牛中收集了样品。通过脉冲场凝胶电泳（PFGE）比较选定的分离株。 S。在来自母羊的520份牛奶样本中有8个（1.5％）和在来自母牛的588份牛奶样本中检测到38（6.4％）金黄色葡萄球菌。从身体部位拭子， S。在来自绵羊的1208个样本中有394个（32.6％）和在来自牛的420个样本中有67个（16.0％）被发现有金黄色葡萄球菌。 S的比例。母羊和母牛的金黄色葡萄球菌阳性鼻拭子分别为56.7％和13.9％。从羊羔中，有58.2％的鼻拭子是 S。金黄色阳性。在每只羊群中，一个 S。金黄色的脉冲型占主导。相同的 S。在牛奶和身体部位发现了金黄色素脉冲型。成对的 S。 PFGE比较了（i）母羊及其羔羊，（ii）双胞胎和（iii）重复抽签的母羊鼻腔中的金黄色葡萄球菌，大多数情况下，这两个分离株是相同的。结果贡献了新知识，表明 S的频繁传播。大坝和小羊之间以及羊群内的金黄色葡萄球菌。与牛相反， S。金黄色葡萄球菌经常出现在绵羊的鼻子中，这可能是 S的主要贮水库。羊群中的金黄色葡萄球。

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