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

What is the "common mucosal immune system"?

That the mucosal surfaces located in certain areas of the organism provide better immunity
That the immune system of all animals from the same species has common elements
That if an antigen comes into contact with a specific mucosal surface, an immune response is given to mucosal surfaces from other distant areas

See a clue in the article The immune system and the immunity in swine: general features

Questions

29-Mar-2017 Comparing females and barrows in the fattening unit, the expected results are: 39% correct

22-Mar-2017 The leading value destination for U.S. pork exports in 2016 was: 33% correct

15-Mar-2017 A commercial vaccine based on a specific App serotype isolated in Europe ¿would it confer protection against the same serotype isolated in Asia? 38% correct

08-Mar-2017 The three main destinations for European pork exports in 2016 were, in this order: 36% correct

Random questions

27-Oct-2021 How is China's pork production expected to evolve in 2022? 41% correct

13-Jun-2018 What is the main risk generated by the use of high levels of DDGS in the diet of finishing pigs? 35% correct

15-Jan-2025 How many registered users does Pig333 have? 33% correct

01-Oct-2013 How can reproductive failure due to PCV2 be diagnosed? 33% correct

Easy questions

02-May-2024 What are possible causes of tailbiting? 72% correct

11-Oct-2023 Which assay can be used for rotavirus A, B, and C? 79% correct

16-Apr-2025 What are the possible effects of a sow having a low feed intake during lactation? 85% correct

31-Jul-2024 What causes rickets? 84% correct

Difficult questions

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

25-May-2016 Which of the following viruses has a lower ratio of transmission? 26% correct

10-Aug-2016 The needle-free vaccination devices: 29% correct

16-Sep-2020 In the context of semen storage, what effect can plastics containing BADGE have? 27% correct