Which of these statements about vaccination against PCV2 is correct:
Questions
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Random questions
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31-Oct-2011 The census of pigs in Russia in early 2011 was: 44% correct
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Easy questions
31-May-2023 Which sample can be used for PCR testing for influenza A virus? 87% correct
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Difficult questions
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16-Oct-2012 The feeding with a higher risk with respect to salmonellosis in the farms is: 29% correct