2Burbank R K, Woolf A and Pos G. Influence of pH on In Vitro digestibility of white-tailed deer foods. J.Wildl.Manage. 1979,43:788-790.
3Ru Y J, Glatz Z H. Miao K, Swanson S, et al.,Comparison of the digestibity of grain and forage by sheep red and fallow deer. Asian-Aust. J. Anim Sci, 2002,15 (6):800-805.
4Van Soest P J, Nutritional Ecology of ruminants, 2^ndedn.Cornell University Press, 1994, 476.
5Russel J B, Conner J D O, Fox D G, VanSoest P J, et al.,Amet carbohydrate and roeein system for evaluating cattle diets. Rummal fermentation. J. Anim. Sci. 1992.70:3551-3567.
