Gottlob, R.O.; DeRouchey, J.M.; Tokach, M.D.; Goodband, R.D.; Dritz, S.S.; Nelssen, J.L.; Hastad, C.W.; Groesbeck, C.N.; Lawrence, K.R.
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2004)
A total of 168 weanling pigs (initially 13.8
lb and 21 ± 3 d of age, PIC) were used to determine the effects of different feed-grade antibiotics on nursery-pig performance. Pigs were fed one of four experimental diets: ...