In the USA the vaccination against the PCV2 has been carried out since
See a clue in the article Impact of 6 years of PCV2 vaccination on viral presence and immuninity
Questions
19-Oct-2016 The piglet reaches its digestive and immunological maturity between the 37% correct
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28-Sep-2016 The increase in prolificacy has entailed a decrease in the space available for weaned piglets by: 39% correct
Random questions
06-May-2015 The 2013 PED cases in USA were caused by the following strain: 34% correct
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Easy questions
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Difficult questions
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