牛支原体存在于初乳中。
The presence of Mycoplasma bovis in colostrum.
机构信息
Department of Large Animal Internal Medicine, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium.
Clinical Department of Production Animals, Faculty of Veterinary Medicine, University of Liege, Liege, Belgium.
出版信息
Vet Res. 2020 Apr 16;51(1):54. doi: 10.1186/s13567-020-00778-w.
Abstract
In herds with Mycoplasma bovis circulation, colostrum is often considered infectious. However, in contrast to milk, the presence of M. bovis in colostrum was not previously evidenced. In this survey, the presence of M. bovis DNA was determined with real-time PCR in 368 colostrum samples from 17 herds, recently infected with M. bovis. Only 1.9% of the samples tested positive, with 13 herds having no positive samples and an overall within-herd prevalence of 3.2% (SD: 4.9%; Range: 0-30.0%). These results show that in infected herds M. bovis DNA can be retrieved in colostrum. To what extend colostrum is infectious remains to be determined.
摘要
在有牛支原体循环的畜群中，初乳通常被认为具有传染性。然而，与牛奶不同，牛支原体在初乳中的存在以前没有被证实。在这项调查中，用实时 PCR 法检测了最近感染牛支原体的 17 个畜群的 368 份初乳样本中牛支原体 DNA 的存在情况。只有 1.9%的样本检测呈阳性，其中 13 个畜群没有阳性样本，总畜群内患病率为 3.2%（标准差：4.9%；范围：0-30.0%）。这些结果表明，在感染的畜群中，牛支原体 DNA 可以在初乳中被检出。初乳的传染性还有待确定。
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