The origins of vaccine date back to:
Questions
28-Aug-2012 The lowest concentrations of NH3 are usually found in: 33% correct
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07-Aug-2012 Lameness caused by infection may be due to: 30% correct
31-Jul-2012 How much colostrum does a piglet need to eat at birth? 38% correct
Random questions
03-May-2017 How long did it take Spain to eradicate the African Swine Fever outbreak that started in 1960? 38% correct
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Easy questions
25-Aug-2021 What does seasonality affect? 83% correct
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Difficult questions
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27-Aug-2013 After the launching of 333's website in Chinese (www.pig333.cn), in how many different languages is 333 available? 26% correct
01-Apr-2014 What improves profitability most according to a recent study in US? 25% correct