Friesen, K.G.; Kats, L.J.; Goodband, R.D.; Nelssen, J.L.; Tokach, M.D.; Owen, K.Q.; Richert, B.T.
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1993)
Eighty crossbred pigs (initially 85.2 lb
BW) were used in a 2 × 4 factorial arrangement to determine the influence of dietary threonine:lysine ratios on growth performance and plasma urea N in growing-finishing pigs. The ...