Pretzer, S.D.; Claussen, K.M.; Bergstrom, J.R.; Henry, S.C.; Phillips, R.; Tokach, M.D.; Goodband, R.D.; Nelssen, J.L.; Dritz, S.S.
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1996)
We evaluated the effects of a modified-live
virus vaccine for PRRS virus on nursery growth performance. The pigs used in this
study were obtained from a herd with substandard nursery growth performance attributed to PRRS ...