1Veira and Ivan. Rumen ciliate protozoa: Effects on digestion in the stomach of sheep. J Dairy Sci, 1983,66:1015 - 1022.
2Douglas. The role of ciliate protozoa in nutrition of the ruminant.J Anim Sic, 1986,63:1547 - 1560.
3Ricke et al. Ruminal microbial development in connentionally or early - weaned calves, J Anim Sci, 1987,64:1215 - 1226.
4Mendoza et al. Influence of ruminal protozoa on site and extent ofstarch digestion and ruminal fermentation. J Anim Sci, 1993,71: 1572- 1578.
5Tseunen Hino and James B Russell. Relative contributions of ruminal bacteria and protozoa to the degradation of protein in vitro. J Anim Sci, 1987,64:261 - 270.
6Nagaraja et al. Moderation of ruminal fermentation by ciliated protozoa in cattle fed a high - grain diet: Environmental Microbiology, 1992, 2410 - 2414.
7Towne et al. Ruminal ciliate protozoa in cattle fed finishing diets with or without supplemental fat. J Anim Sci, 1990,68:2150 -2155.