The origins of vaccine date back to:
Questions
28-Aug-2012 The lowest concentrations of NH3 are usually found in: 33% correct
14-Aug-2012 A sow reaches its lactation peak at: 37% correct
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
11-Jul-2018 Immediately after ejaculation, the motility of sperm oscillates between: 36% correct
01-Jul-2015 The ideal particle size for pig feed is 38% correct
04-Sep-2019 How much have pork exports from Brazil increased in June 2019 compared to the previous year? 51% correct
23-Jan-2019 The influenza virus was identified in: 32% correct
Easy questions
02-Dec-2020 How long should ropes be left in the pen for oral fluid collection? 79% correct
27-Dec-2024 Which type of pneumonia suggests bacteria entered aerogenously? 78% correct
09-Nov-2022 Which membrane filtration process can concentrate salts? 84% correct
26-Jun-2024 What can be done to help protect vaccines in large refrigerators in case of malfunction? 76% correct
Difficult questions
11-Feb-2014 With respect to Haemophilus parasuis: 27% correct
04-Jul-2019 In the USA, the PRRS virus causes direct annual losses of: 28% correct
07-Oct-2015 Is PED a notifiable disease in Europe? 25% correct
18-Mar-2026 How did Spanish imports of live pigs evolve in 2025? 27% correct