Characterization of minimal lesions related to the presence of visna/maedi virus in the mammary gland and milk of dairy sheep.
BMC veterinary research(2019)
摘要
This new observation of the minimal lesions described in this work increased the prevalence of VM lesions in mammary gland up to 90.9% and VM should be considered as a differential diagnosis when minimal interstitial lesions are detected. A high prevalence of VM was observed in intensive milk-producing sheep, ELISA serology did not detect as positivity all infected animals, while histology, IHC or PCR showed higher sensitivity. The cytological technique developed was very useful in milk-cell studies using hematoxylin and eosin and immunocytochemistry. Viral detection in milk samples (16/39) confirms a potential but limited role of milk/colostrum in viral transmission.
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关键词
Histopathology,Lentivirus,Mammary gland,Milk,Minimal lesions,Sheep,Visna maedi
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