When ASF becomes endemic, the strains evolve differently, and they even cause asymptomatic infections. Which percentage of infected pigs can survive in an endemic situation?
Results
Correct answer
Between 2% and 6% could survive, keeping the virus in different organs and lymph nodes, and showing an intermittent viraemia. These carriers are a possible source of infection for the environment and for healthy animals (wild boars and domestic pigs).
Questions
07-Nov-2018 During the last decades, the number of wild boars in Europe has increased drastically. In some areas the increase has been by: 36% correct
02-Nov-2018 The use of probiotics in the nursery is recommended specially as a... 45% correct
24-Oct-2018 Can flies transmit the ASF virus? 41% correct
17-Oct-2018 For how many days the faeces of pigs infected with the ASF virus remain infectious at a temperature of 4ºC? 29% correct
Random questions
22-Apr-2015 E. coli can be classified into: 37% correct
04-Mar-2020 What percentage of the pork produced in the United States in 2019 was exported? 47% correct
31-May-2017 How was African Swine Fever introduced in Europe in the 1960s? 31% correct
19-Jan-2022 Which country recently announced it will lower pork tariffs for the U.S.? 56% correct
Easy questions
14-Jul-2021 How can I use the "Raw materials statistics" section on 333? 81% correct
31-Jul-2024 What causes rickets? 84% correct
07-Oct-2020 The type of fish used to produce fish meal and how it is stored have a direct affect on which of the following? 84% correct
03-Jun-2020 Why is it important to first remove biofilms before disinfecting hog transportation vehicles? 84% correct
Difficult questions
06-Aug-2015 If we do not see rodents during the day (but we do see some during the evening/night), and we find faeces and chewing marks, we have a ….. infestation 29% correct
28-Dec-2018 Current PCR tests... 29% correct
30-May-2019 A possible use of probiotics in sows is 27% correct
10-Mar-2021 How much feed did U.S. hogs consume in 2019? 17% correct