Tokach, M.D.; Main, R.G.; Dritz, S.S.; DeRouchey, J.M.; Goodband, R.D.; Nelssen, J.L.; Usry, J.L.
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2003)
A total of 1,024 barrows (each initially 157 lb, PIC L337 x C22) were used in a 28-d study to evaluate the effects of increased crystalline amino acids (none versus 4.5 lb/ton of L-lysine HCl plus L-threonine to maintain ...