Andrews, R. J. and D. Lewis. 1970. The utilization of dietary fat by ruminants. 2. The effect of fatty acid chain length and unsaturation on digestibility. J. Agric. Sci. 75:55-60.
AOAC. 1995. Official Methods of Analysis 16th edn. Association of Analytical Chemists Washington, DC.
Bayourthe, C., M. Vernay and R. Moncoulon. 1994. Effect of calcium salts of fatty acids on rumen function and the digestibility of ration by sheep. J. Sci. Food Agric. 64:341-347.
Brooks, C. C., G. B. Garner, C. W. Gehrke, M. E. Muhrer and W. H. Pfander. 1954. The effect of added fat on the digestion of cellulose and protein by ovine rumen micro organisms. J. Anim. Sci. 13:758-764.
Chalupa, W., B. Rickabaugh, D. S. Kronfeld and D. Sklan. 1984. Rumen fermentation in vitro as influenced by long chain fatty acids. J. Dairy Sci. 67:1439-1444.
Cronje, P. B. and E. Oberholzer. 1990. Calcium soap. A potential energy supplement for the grazing ruminant. Technical Communication Department of Agricultural Development, South Africa. 223:3-9.
Czerkawski, J. W. 1966. The effect on digestion in the rumen of gradual increase in the content of fatty acids in the diet of sheep. Br. J. Nutr. 20:833-842.
Davison, K. L. and W. Woods. 1960. Influence of fatty acids upon digestibility of ration components by lambs upon cellulose digestion in vitro. J. Anim. Sci. 19:54.
Devendra, C. and D. Lewis. 1974. Fat in the ruminant diet: a review: Inidan J. Anim. Sci. 44:917-938.
Doreau, M., A. Ferlay and Y. Elmeddah. 1993. Organic matter and nitrogen digestion by dairy cows fed calcium salts of rape seed oil fatty acids or rapeseed oil. J. Anim. Sci. 71:499-504.
Fadel, J. G. 1999. Quantitative analysis of selected plant byproduct feedstuffs a global perspective. Anim. Feed Sci. Technol. 79:255-268.
Ferro, P. V. and A. B. Ham. 1957. A simple spectrophotometric method for determination of calcium. Am. J. Clin.l Pathol. 28:208.
Fiske, C. H. and Y. Subba Raw. 1925. The colorimetric determination of phosphorus. J. Biol. Chem. 66:375.
Garg, M. R. 1998. Effect of feeding bypass fat on rumen fermentation, DM digestibility and N balance in sheep. Indian Vet. J. 75:800-802.
Goering, H. K. and P. J. Van Soest. 1970. Forage fibre analysis. USDA, ARS- Agriculture Handbook No. 379, Washington DC.
Grummer, R. R. 1998. Influence of prilled fat and calcium salt of palm oil fatty acids on ruminal fermentation and nutrient digestibility. J. Dairy Sci. 71:117-123.
Jenkins, T. C. 1993. Lipid metabolism in the rumen. J. Dairy Sci. 76:3851-3863.
Jenkins, T. C. and D. L. Palmquist. 1984. Effect of fatty acids or calcium soaps on rumen and total tract digestibility of dairy rations. J. Dairy Sci. 67:978-986.
Macleod, G. K. and J. G. Buchanan-Smith. 1972. Digestibility of hydrogenated tallow, saturated fatty acids and soybean oil supplemented diets by sheep. J. Anim. Sci. 35:890-895.
Mir, Z. 1988. A comparison of canola acidulated fatty acids and tallow as supplements to a ground alfalfa diet for sheep. Canadian J. Anim. Sci. 68:761-767.
Palmquist, D. L. 1991. Influence of source and amount of dietary fat on disgestibility in lactating cows. J. Dairy Sci. 74:1354.
Palmquist, D. L. 1994. The role of dietary fats in efficiency of ruminants. J. Nutr. 124:1377s-1382s.
Scott, T. W. and J. R. Ashes. 1993. Dietary lipids for ruminants: Protection, utilization and remodelling of skeletol muscle phospholipids. Aust. J. Agric. Res. 44:495-508.
Snedecor, G. W. and W. G. Cochran. 1968. Statistical Methods (6th Edn.). Allied Pacific, Bombay.
Sukhija, P. S. and D. L. Palmquist. 1990. Dissociation of calcium soaps of long chain fatty acids in the rumen fluid. J. Dairy Sci. 73:1784-1787.
Talapatra, S. K., S. C. Ray and K. C. Sen. 1940. The analysis of mineral constituents in biological material. Part I. Estimation of phosphorus, chlorine, calcium, magnesium, sodium, and potassium in feedstuffs. Indian J. Vet. Sci. Anim. Husb. 10:243-258.
Tillaman, A. D. and J. R. Breathour. 1958. The effect of corn oil upon the metabolism of calcium and phosphorus by sheep. J. Anim. Sci. 17:782-786.
Vila, B. and E. Esteve-Garcia. 1996. Studies on acid oils and fatty acids for chickens. 1. Influence of age, rate of inclusion and degree of saturation on fat digestibility and meabolisable energy of acid oils. Br. Poult. Sci. 37:105-117.
Wiseman, J., B. K. Edmunds and N. Shepperson. 1992. The apparent metabolisable energy of sunflower oil and sunflower acid oil for broiler chickens. Anim. Feed Sci. Technol. 36:41-51.
Wu, Z., O. A. Ohajuruka and D. L. Palmquist. 1991. Ruminal systhesis, biohydrogenation and digestibility of fatty acids by dairy cows. J. Dairy Sci. 74:3025-3034.