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?
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
18-Jun-2013 The lists A and B of notifiable diseases were replaced by a single list in year: 35% correct
02-May-2018 What are the properties of lauric acid, the main fat component of the larval stages of the black soldier fly? 33% correct
03-Jan-2012 The 2009 Australian swine census was: 32% correct
20-Feb-2019 Probiotics and prebiotics differ in: 38% correct
Easy questions
11-Oct-2023 Which assay can be used for rotavirus A, B, and C? 78% correct
06-Oct-2021 Which approach seeks to familiarize non-littermate piglets with each other before weaning? 74% 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
14-Jul-2021 How can I use the "Raw materials statistics" section on 333? 81% correct
Difficult questions
13-Nov-2024 Which country consumes the most pork in Europe? 26% correct
16-Sep-2014 What may be the impact of differentiated feeding depending on the gender? 28% correct
25-May-2016 Which of the following viruses has a lower ratio of transmission? 26% correct
11-Feb-2014 With respect to Haemophilus parasuis: 27% correct