Jul 22, 2021Susan SpiegelComments Off on Johnson: Five steps for porcine circovirus control
Some breed-to-wean farms that have been vaccinated for porcine circovirus (PCV) have experienced breakdowns in their control of the virus. Clayton Johnson, DVM, outlines his top five steps for...
Dec 30, 2019Susan SpiegelComments Off on PCV3 is ‘absolutely’ a pathogen but proceed with caution
Porcine circovirus type 3 (PCV3) is “absolutely” a pathogen but merely finding the virus isn’t enough to conclude it’s the cause of disease.
Sep 16, 2019Susan SpiegelComments Off on It’s back: Clinical outbreak of PCV2 in genetic herds reported
A clinical outbreak of porcine circovirus type 2 (PCV2) occurred this past winter in otherwise healthy, well-vaccinated herds, Clayton Johnson, DVM, of Carthage Veterinary Service, told Pig Health...
Feb 16, 2019Susan SpiegelComments Off on Tale of two viruses: PCV3 impact unknown while PCV2 continues to evolve
Genetic sequencing demonstrates that porcine circovirus type 3 (PCV3) is significantly different from PCV2, but otherwise little is known about the virus.
Nov 28, 2018Susan SpiegelComments Off on Scientist ‘pops the hood’ on US pork industry’s newest vaccine for PCV2
What is “cell-mediated immunity” and how does it affect vaccine performance? Are two PCV2 genotypes necessarily better than one? And what does a monster from Greek mythology have to do with...
Aug 12, 2018Susan SpiegelComments Off on PCV3: A challenge independent from PCV2
Anyone involved in raising pigs is aware of PCV2, but new on the scene is porcine circovirus type 3 (PCV3). Although the two viruses are both circular DNA viruses in the same family, they are...