1. Stage of lactation as a criterion for switching cows from one complete feed to another during early lactation;Akinyele;J. Dairy Sci.,1975
2. Anonymous. 1971. Analytical methods for atomic absorption spectrophotometry. Bull. 303-0152. Perkin-Elmer Co., Norwalk, CT.
3. The amount and physical form of feed and milk secretion in the cow;Armstrong;Proc. Nutr. Soc.,1968
4. Official methods of analysis,1970
5. Comparison of caloric concentration with caloric density of the ration as predictors of intake in ruminants;Barnes;J. Dairy Sci.,1973