Virulence Comparison of Four Porcine Circovirus Type 2 (PCV2) Genotypes (2a, 2b, 2d and 2e) in Pigs Single-Infected with PCV2 and Pigs Dual-Infected with PCV2 and Mycoplasma hyopneumoniae.

Abstract excerpt

The objective of this study was to compare the virulence of four porcine circovirus type 2 (PCV2) genotypes (2a, 2b, 2d and 2e). Pigs were infected with one of these four genotypes. Pigs were also dually infected with Mycoplasma hyopneumoniae and one of the four PCV2 genotypes. Virulence was determined based on the amount of PCV2 loads in the blood and lymph nodes and the severity of lymphoid lesions. Marked...

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