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Each week a new question about swine with the possibility of answering questions from previous weeks.

What does it mean that a disease spreads like an oil stain?

The disease appears simultaneously in many distant locations due to airborne transmission over long distances
The disease remains confined to a single location for a long period and then suddenly jumps to a completely unrelated region
The disease spreads progressively from an initial focus to neighboring areas in a continuous, radial, and gradual manner

Questions

13-May-2026 What is the role of tryptophan? 62% correct

06-May-2026 Canada recently approved PRRS-resistant pigs for what purpose? 71% correct

29-Apr-2026 How large is 333's global community for the swine industry? 63% correct

22-Apr-2026 In the UK, what was the key driver of pig meat production gains in 2025? 64% correct

Random questions

11-May-2022 Burying slurry is a very effective way to reduce emissions if done within how many hours of application? 59% correct

11-Mar-2020 When heat checking, it is important to use rested boars because… 34% correct

21-Apr-2021 Which two North American countries recently agreed to a trade protocol regarding ASF status? 67% correct

20-Aug-2013 Which 4 factors can lengthen the duration of the birth process in sows? 40% correct

Easy questions

07-Jan-2026 What is the most energy-dense feed ingredient? 80% correct

03-Jun-2020 Why is it important to first remove biofilms before disinfecting hog transportation vehicles? 83% correct

02-Dec-2020 How long should ropes be left in the pen for oral fluid collection? 79% correct

25-Aug-2021 What does seasonality affect? 83% correct

Difficult questions

15-Jul-2015 In the first weeks of the piglet's life, the gastrointestinal mucosa regenerates its lining 29% correct

19-Dec-2012 The PCV2 is known since 26% correct

20-Jun-2018 What has been the evolution in the production of organic pork in the United Kingdom from 2016 to 2017? 27% correct

23-Oct-2024 In France, what percent of pork is consumed as charcuterie? 27% correct