1. Official Methods of Analysis,1976
2. The effect of cottonseed in the ration on percentage of fat and serum solids content of milk;Davis;J. Dairy Sci.,1946
3. Volatile fatty acid analysis of blood and rumen fluid by gas chromatography;Erwin;J. Dairy Sci.,1961
4. Goering, H. K., and P. J. Van Soest. 1970. Forage fiber analysis. (Apparatus, reagents, procedures, and some applications.) Agr. Handbook 379, US Dept. Agr.
5. Cottonseed and oil in dairy rations at two roughage levels;Moody;J. Dairy Sci.,1966