Potter, M. L.; Henry, Steven C.; Tokach, Lisa M.; DeRouchey, Joel M.; Tokach, Michael D.; Goodband, Robert D.; Nelssen, Jim L.; Dritz, Steven S.
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2009-11-12)
A total of 1,561 pigs (initially 4 d of age) were used to determine the effects of a porcine reproductive and respiratory syndrome virus (PRRSv) subunit vaccine, PRRSV-RS (Sirrah-Bios, Ames, IA), on mortality rate and ...