PCV2 subclinical infection (PCV2-SI):
See a clue in the article PCV2 viraemia, a load-dependent effect on average daily weight gain du
Questions
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13-May-2015 Based on retrospective serological surveys, the first evidence of PRRSV in Europe dates back to: 34% correct
06-May-2015 The 2013 PED cases in USA were caused by the following strain: 34% correct
Random questions
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Easy questions
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Difficult questions
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