Boyd et al., 2008. Prof. Anim. Scient., 24 (4): 349-354

Boyd, J. A. ; Bernard, J. K. ; West, J. W. ; Parks, A. H., 2008. Performance of lactating dairy cows fed diets based on sorghum and ryegrass silage and different energy supplements. Prof. Anim. Scient., 24 (4): 349-354