Page 12 of articles about prrs

Controlling Disease: It's not about the bugs

31-Mar-2016
Controlling Disease: It's not about the bugs - Dr. Jim Lowe, Integrated Food Animal Medicine Systems, Department of Veterinary Clinical Medicine, College of Veterinary Medicine, University of Illinois, from the 2015 Midwest Pork Conference, December 1, 2015, Danville, IN, USA.

Pigs that are resistant to PRRSv developed at University of Missouri

17-Dec-2015
Porcine Reproductive and Respiratory Syndrome (PRRS) virus was first detected in the U.S. in 1987. Pigs that contract the disease have extreme difficulty reproducing, don’t gain weight and have a high mortality rate. The disease costs North American farmers more than $660 million annually. Now, a team of researchers from the University of Missouri, Kansas State University, and Genus plc have bred pigs that are not harmed by the disease.
Lungs of a piglet exterminated 14 days PI, inoculated with higly pathogenic Type I subtype 3 strain Lena

PRRSV pathology in the lungs

The tissue damage is the consequence of direct apoptosis (and necrosis) of alveolar macrophage and their neighboring cells due to the release of apoptotigenic cytokines, reactive oxygen species, and nitric oxide.