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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? 39% correct

08-Mar-2017 The three main destinations for European pork exports in 2016 were, in this order: 35% correct

Random questions

10-Dec-2025 How many EU members states are currently affected by African swine fever? 39% correct

07-Jun-2017 On the day of estrus, what is the expected situation for a gilt? 32% 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? 39% correct

11-Nov-2020 Which procedure would you NOT find in the McREBEL^TM PRRS program? 71% correct

Easy questions

14-Jan-2026 A new case of ASF over 100 km from an infected area will most likely be due to what? 91% correct

26-Nov-2025 Why does Australia have pork export potential? 93% correct

12-Jan-2022 Which factors are leading to increased meat prices in the United States? 74% correct

20-Nov-2024 What is the correct order of steps in a farm succession plan? 73% correct

Difficult questions

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

20-Sep-2023 Covering the slurry lagoon slightly will reduce which emissions? 28% correct

01-Jul-2020 How much lower was the US pork price on April 24 compared to March 24? 29% correct

05-Nov-2013 In Japan in 2011, pork importations represented about: 29% correct