When included into the feed, which ingredient has a greater effect by reducing N 2 O emissions from the resulting slurry?
Questions
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Random 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
Easy questions
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Difficult questions
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12-Sep-2012 How much feed will a gilt have consumed by the time it weans its first litter? 29% correct