Vermont has been certified free from pseudorabies since October 1995, but a feral pig killed by the US Department of Agriculture (USDA) in March has tested positive for pseudorabies virus infection.
The first ring is heightened biosecurity at the country’s borders. While the second ring needs to be located around each farm. Individual farms need to limit access to people from other countries unless they have strict biosecurity protocols.
China has ordered mandatory testing for African swine fever at more than 10,000 slaughterhouses nationwide.
Researchers created video games (digital field experiments), which puts players into swine operations and requires them to make decisions.
Animal feed ingredients might be pathways for introducing African swine fever virus into the US, but there is uncertainty because of the lack of data on transmission from these sources
The research seeks to track how swine viruses spread between pig farms, and to identify which farms are at the greatest risk of a new outbreak.
Knowledge about proper filtration continues to grow as viruses continue to challenge the swine industry.
Since August, African swine fever has wiped out pork production across China, Mongolia, Vietnam, and Cambodia, without signs of stopping.
The African swine fever epidemic in China poses a threat to the supply of the anticoagulant heparin which is made from pig intestines, and nearly 80 percent of those pig intestines come from China.