Merck introduces PRRS vaccine

Merck introduces PRRS vaccine

MERCK Animal Health announced Sept. 9 the introduction of PRIME PAC PRRS+, a new vaccine for reducing clinical signs of reproductive disease in female breeding-age swine and respiratory disease in pigs three to four weeks of age and older due to porcine reproductive and respiratory syndrome virus (PRRSv).

"Vaccination stabilizes the herd's PRRS immunity and reduces the potential of virus circulat

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