Comparative Evaluation of Growth Performance between Bivalent and Trivalent Vaccines Containing Porcine Circovirus Type 2 (PCV2) and Mycoplasma hyopneumoniae in a Herd with Subclinical PCV2d Infection and Enzootic Pneumonia
The present field trial compared two combined vaccines of porcine circovirus type 2 (PCV2) and Mycoplasma hyopneumoniae, each administered in herd with subclinical 2008 mitsubishi outlander catalytic converter PCV2d infection and enzootic pneumonia.One vaccine was a bivalent containing PCV2a and M.hyopneumoniae and the other was a trivalent vaccine