1. Official methods of analysis,1984
2. Methionine hydroxy analog in diets for lactating cows;Bhargava;J. Dairy Sci.,1977
3. A comparison of grass and legume hays fed to yearling Holstein heifers;Donker;J. Dairy Sci,1982
4. Volatile fatty acid analysis of blood and rumen fluid by gas chromatography;Erwin;J. Dairy Set,1961
5. Forage fiber analyses (apparatus, reagents, procedures, and some applications);Goering,1970