Ames, L. L.
1960. The cation sieve properties of clinoptilolite.
Association of Official Analytical Chemists. 1975. Official methods of analysis, second edition. AOAC, Washington, DC.
Butler, W. R., Evertt, R. W. and Coppock, C. E.
1981. The relationship between energy balance, milk production and ovulation in postpartum Holstein cows. Journal of Animal Science
1989. Direct, maternal and heterosis effects for slaughter and carcass characteristics in three breeds of fat-tailed sheep. Livestock Production Science
Galindo, J., Elias, A. and Cardero, J.
1984. The addition of zeolite to silage diets. Cuban Journal of Agricultural Science
Galyean, M. L. and Chabot, R. C.
1981. Effect of sodium bentonite, buffer salts, cement kiln dust and clinoptilolite on rumen characteristics of beef steers fed a high roughage diet. Journal of Animal Science
Hemken, R. W., Harmon, R. J. and Mann, L. M.
1984. Effect of clinoptilolite on lactating dairy cows fed a diet containing urea as a source of protein. In Zeo-agriculture use of natural zeolites in agriculture and aquaculture (ed. Pond, W. G. and Mumpton, F. A.), p. 171. Westview Press, Boulder, CO.
Hoover, W. H. and Miller, T. K.
1990. Carbohydrate and protein considerations in ration formulation. Proceedings of large dairy herd management conference. Cornell Cooperation Extentions, Cornell University, Ithaca, New York, p. 71.
Husted, W. T., Mehen, S., Hale, W. H., Little, M. and Theurer, B.
1968. Digestibility of milo processed by different methods. Journal of Animal Science
Johnson, M. A., Sweeney, T. F. and Muller, L. D.
1988. Effects of feeding synthetic zeolite A and sodium bicarbonate on milk production, nutrient digestion and rate of digesta passage in dairy cows. Journal of Dairy Science
Johnson, W. J. and Suburth, J. M.
1974. Ammonia removal by selective ion exchange: a backup system for microbiological filters in closed system aquaculture. Aquaculture
McCollum, F. T. and Galyean, M. L.
1983. Effects of clinoptilolite on rumen fermentation, digestion and feedlot performance in beef steers fed high concentrate diets. Journal of Animal Science
Mumpton, F. A. and Fishman, P. H.
1977. The application of natural zeolites in animal science and aquaculture. Journal of Animal Science
1980. Observations from the literature concerning the use of natural zeolite clinoptilolite as an additive to animal feed. Leonard Resources, Inc., Albuquerque, NM..
Snyder, T. J., Rogers, J. A. and Muller, L. D.
1983. Effect of 1·2% sodium bicarbonate with two rations of corn silage: grain on milk production, rumen fermentation and nutrient digestion by lactating dairy cows. Journal of Dairy Science
Statistical Analysis Systems Institute. 1996. SAS/STAT software: changes and enhancement through release 6·12. SAS Institute Inc., Cary, NC.
Sweeney, T. F.
1980. Influence of zeolite on growth and metabolism in the ruminant. Ph. D. dissertation. University of Kentucky, Lexington.
Sweeney, T. F., Bull, L. S. and Hemken, R. W.
1980. Effect of zeolite as a feed additive on growth performance in ruminants. Journal of Animal Science
Sweeney, T. F., Cervantes, A., Bull, L. S. and Hemken, R. W.
1984. Effects of dietary clinoptilolite on digestion and rumen fermentation in steers. In Zeo-agriculture use of natural zeolites in agriculture and aquaculture (ed. Pond, W. G. and Mumpton, F. A.), p. 177. Westview Press, Boulder, CO.
Tietz, N. W.
1986. Textbook of clinical chemistry. Saunders, W. B.
Van Soest, P. J.
1963. The use of detergents in the analysis of fiber feed. A rapid method for the determination of fiber and lignin. Journal of the Association of Official Analytical Chemists
Van Soest, P. J. and Wine, R. H.
1976. The use of detergents in the analysis of fibrous feeds. I V. Determination of plant cell wall constituents. Journal of the Association of Official Analytical Chemists
White, J. L. and Ohlrogge, A. J.
1974. Ion exchange materials to increase consumption of nonprotein nitrogen in ruminants. Canadian patent 939186, 2 January 1974.