Laurin, J.L.; Hansen, J.A.; Schricker, B.R.; Goodband, Robert D.; Nelssen, Jim L.
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1991)
Eighty crossbred barrows (initial wt = 131
lb) were utilized to determine the dietary threonine requirement of finishing pigs injected with porcine somatotropin (PST). Barrows were injected daily in the extensor muscle ...