1. Mineral availability from alternative feeds;Ammerman,1995
2. A manual for using the Cornell Net Carbohydrate and Protein System for Evaluating Cattle Diets. Rev. CNCPS Release 3;Barry,1994
3. Variation in composition of by-product feeds;Belyea;J. Dairy Sci.,1989
4. Why do we need a new NRC data base? Anim;Berger;Feed Sci. Technol.,1995
5. Variability in chemical composition of commodities;Bucholtz,1997