Kane, E.M.; Potter, M.L.; Bergstrom, J.R.; Dritz, S.S.; Tokach, M.D.; DeRouchey, J.M.; Goodband, R.D.; Nelssen, J.L.
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2008)
A total of 400 nursery pigs (initially 12.5 lb) were used in a 20-d study to evaluate the effects of varying porcine circovirus type 2 (PCV2) and Mycoplasma hyopneumoniae vaccination timing on growth performance of pigs ...