A comparative study of the efficacy of commercial bivalent vaccines

摘要

Porcine circovirus type 2 (PCV2) and M. hyopneumoniae infections have a major impact on health that, between the two, can encompass the entire stage. While the PCV2-related infection and clinical signs are usually observed at the end of weaning and atthe beginning of rearing, those caused by M. hyopneumoniae usually occur during the rearing stage.