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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

24-Aug-2016 The sows with more hoof lesions are 34% correct

23-Dec-2014 How long does it take, after death, for autolysis in the intestine of a piglet? 36% correct

26-Jun-2019 Regarding the first trimester of 2018, in 2019 Spain has imported 31% correct

30-Apr-2025 What can happen if feed is over-mixed? 68% correct

Easy questions

10-Apr-2024 What is the first step of performing a necropsy of a piglet in lateral decubitus? 72% correct

15-Sep-2021 How does sunflower meal compare to soybean meal? 79% correct

24-Sep-2025 What do heat shock proteins do? 73% correct

20-Aug-2025 What are phytogenics? 77% correct

Difficult questions

10-Mar-2021 How much feed did U.S. hogs consume in 2019? 19% 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

16-Sep-2015 How many different PEDv serotypes are known? 28% correct

27-Oct-2016 In the USA the vaccination against the PCV2 has been carried out since 26% correct