A scoring system for risk assessment of the introduction and spread of bovine viral diarrhoea virus in dairy herds in Northern Italy.
作者： Camilla Luzzago , Michela Frigerio , Renata Piccinini , Valentina Daprà , Alfonso Zecconi
DOI: 10.1016/J.TVJL.2007.04.017
关键词:
摘要: To support a voluntary disease control program, this study aimed to develop an integrated scoring system for the risk assessment of bovine viral diarrhoea virus (BVDV) infection in dairy herds Northern Italy. Sixty-two were classified according their BVDV serological status. Farmers interviewed using questionnaire on potential factors. Scores used define levels factors related (1) introduction (through livestock trade, attendance animals at shows/exhibitions and grazing common pasture), (2) within-herd spread (3) results initial testing. The calculated odds ratios significant all categories, except trade. application screening test, showed be practical approach predicting herd
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