The impact of infection with Schmallenberg virus on weaning rate in Irish sheep flocks.
作者： Damien Barrett , Ronan O’Neill , Donal Sammin , Tracy A. Clegg , Simon J. More
DOI: 10.1016/J.PREVETMED.2015.10.012
关键词:
摘要: Schmallenberg virus (SBV) disease emerged in Europe 2011, with the initially identified Germany, and first confirmed case of SBV infection Ireland diagnosed a dairy calf October 2012. was subsequently by RT-PCR 49 cattle herds 39 sheep flocks. While these studies provide good representation spatial distribution Ireland, they do not quantify impact on productivity. The objectives this study were to assess weaning rate Irish flocks, based data reported farmers, evaluate flocks as an indicator be used emerging surveillance systems. A questionnaire productivity management practices developed gather from farmers. Valid responses 267 farmers received. Negative binomial regression indicated that diagnosis had 0.9 times free SBV. 10% reduction rates result is justifiable concern for should considered formulating flock breeding policy. This shows value production database economic
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