Challenge of Pigs Previously Immunised with Inactivated Vaccines Containing Homologous and Heterologous <em>Mycoplasma hyopneumoniae</em> Strains

All bacterins used evoked a serological response in the vaccinated animals and yet, after challenge with a highly virulent M. hyopneumoniae strain, there was no clear evidence of protection against clinical symptoms or lung lesions, according to University of Ghent researchers.
calendar icon 2 February 2012
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