Woodworth, J.C.; Tokach, M.D.; Nelssen, J.L.; Goodband, R.D.; Sawyer, J.T.; Maxwell, K.A.; Fakler, T.M.
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1999)
Two hundred eight-eight weanling pigs (initially 12.31bs and 18 d of age) were used
in a 27-d growth assay to determine the
interactive effects of Zn source and feed
grade medication on growth performance.
Experimental ...