6Nagia, O. P., and Rita Sharma. Rumen digestion functions in the absence of ciliate protozoa by using cotton seed oil as defaunating agent in buffaloes. J Dairy Sci. 1994, 47 (11): 350~356
7Orpin, C. G., The role of ciliate protozoa and fungi in the rumen digestion of plant cell walls. Animal. Feed Sci. Technol. 1983/1984, 10: 121~143
8M Blommel, A Schroder, K H Sodekum et al. Estimating ruminal microbial efficiencies in siliage- fed cattle: comparision of an in vitro method with a combination of in situ and in vivo measurements. J Anim Physiol, 1999, 81:57 -67.
9Lu C D, Jorgensen N A. Alfalfa saponins affect site and extent of nutrient digestion in ruminants. J of Nutrition, 1987. 117: 919-927.
10Navas A C, A L Max , C L Juan. Effect of supplementation with a tree legume forage on rumen function. LivestockResearch For Rural Development,1993,(5)2:12-22.