Richert, B.T.; Pettigrew, J.E.; Walker, R.D.; Johnston, L.J.; Blum, S.A.; Tokach, Michael D.; Goodband, Robert D.; Nelssen, Jim L.
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-03-26)
Two hundred-three large white x Landrace or large white x Chester White x Landrace sows (40 or 41/treatment, avg parity 3.7) were used in a 26 d lactation experiment to determine the valine requirement of high-producing ...