References

1. Essig, H.W.; Huntington, G.B.; Emerick, R.J.; Carlson, J.R. Nutritional Problems Related to the Gastro Intestinal Tract. In The Ruminant Animal, Digestive Physiology and Nutrition; Church, D.C., Ed.; Prentice Hall: Englewood Cliffs, NJ, 1988; 468 492.

2. Schultz, L.H.; Mayland, H.F.; Emerick, R.J. Metabolic Problems Related to Nutrition. In The Ruminant Animal, Digestive Physiology and Nutrition; Church, D.C., Ed.; Prentice Hall: Englewood Cliffs, NJ, 1988; 493 542.

3. Ensminger, M.A.; Perry, R.C. Beef Cattle Science, 7th Ed.; Interstate Publishers, Inc.: Danville, IL, 1997.

4. Nutrient Requirements of Beef Cattle, 7th Rev. Ed.; National Academy Press: Washington, DC, 1996.

5. Mortimer, R.G.; Dargatz, D.A.; Corah, L.R. Forage Analyses from Cow/Calf Herds in 23 States; USDA: Aphis:VS, Centers for Epidemiology and Animal Health: Fort Collins, CO, 1999. #N303.499. http://www.aphis.usda. gov/vs/ceah/cahm/Beef Cow Calf/BF97FORG.pdf (Accessed September, 2003).

6. Moore, J.A.; Swingle, R.S.; Hale, W.H. Effects of whole cottonseed, cottonseed oil or animal fat on digestibility of wheat straw diets by steers. J. Anim. Sci. 1986, 63, 1267 1273.

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