Keegan, T.P.; DeRouchey, J.M.; Nelssen, J.L.; Tokach, M.D.; Goodband, R.D.; Dritz, S.S.
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2003)
A total of 320 weanling pigs (11.7 lb and 14 ± 3 d of age, PIC) was used to determine the effects of antibiotics and antimicrobial alternatives in diets for nursery pigs reared in a commercial environment. Pigs were fed ...