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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...
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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.
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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...
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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.
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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...
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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...
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