Comparison of the Efficacy of Autogenous Inactivated PRRSV Vaccines with Commercial Vaccines

Experimental homologous inactivated vaccines and commercial attenuated vaccines shortened the viraemic phase following challenge with two field isolates of the porcine reproductive and respiratory syndrome virus (PRRSV), according to researchers based in Belgium. Experimental heterologous inactivated vaccines and the commercial inactivated vaccine, however, had little impact on the period of virus shedding.
calendar icon 18 October 2012
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