1. Rumensin Technical Manual;Anonymous,1975
2. Animal Anatomy and Physiology;Bone,1988
3. Nutrient digestion, nitrogen, and amino acid flows in lactating cows fed soybean hulls in place of forage or concentrate;Cunningham;J. Dairy Sci.,1993
4. Forage fiber analyses (apparatus, reagents, procedures, and some applications);Goering,1970
5. Adaptation to changes in dietary composition, level and frequency of feeding;Kaufmann,1980