Shelton, N.W.; Tokach, M.D.; Dritz, S.S.; Goodband, R.D.; Nelssen, J.L.; DeRouchey, J.M.; Usry, J.L.
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2009)
A total of 2,571 barrows and gilts (PIC 337 × 1050) were used to determine the effects of porcine circovirus type 2 vaccine (PCV2) on nursery and finishing pigs that were challenged with porcine respiratory and reproductive ...