9Abu-Ghazaleh,A.A.et al.Conjugated Linoleic Acid and other Beneficial fatty acids in milk fat from cows fed soybean meal,fish meal,or both[J].J.Dairy Sci.,2001,84:1845-1850
10Dhiman T.R,L.D.Satter.Yield response of dairy cows fed different proportions of alfalfa silage and corn silage[J].J.Dairy Sci.,1997,80:2069-2082
