The success rate of load-close-expose process to control and eliminate the PRRSv...
Questions
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01-Apr-2014 What improves profitability most according to a recent study in US? 25% correct
25-Mar-2014 What is the role of international trade in the hepatitis E transmission? 33% correct
Random questions
12-Feb-2020 According to official statistics, how much did pork production in China decline in 2019? 36% correct
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Easy questions
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Difficult questions
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