Schneider, J.D.; Nelssen, J.L.; Tokach, M.D.; Dritz, S.S.; Goodband, R.D.; DeRouchey, J.M.
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2005)
A total of 182 lactating sows were used in
a study to determine the threonine requirement, and the relative difference in resulting performance of lactation diets with high concentrations of crystalline amino acids, ...