6Cant,J. P. , E. J. DePeters, and R. L. Baldwin. Effect of dietary fat and postruminal casein administration on milk composition of lactating dairy cows. J Dairy Sci, 1991,74:211 -219.
7Alien . M. S. Effects of diet on short - term regulation of feet intake by lactating dairy cattle. J Dairy Sci, 2000, 83 : 1958 - 1624.
8Drackley, J. K. , T. H. Klusemeyer, A. M. Tursk , and J. H. Clark . Infusion of long - chain fatty acids varying in saturation and chain length into the abomasums of lactating dairy cows. J Dairy Sci, 1992,75:1517 - 1526.
9Borsting , C. F. , M. R. Weisbjerg , and T. Hvelplund. Fatty acid digestibility in lactating cows fed increasing amounts of protested vegetable oil, fish oil, or saturated fat. Acta Agric Seand Sect A, Animal Sci, 1992, 42 : 148 - 156.
10Firkins,J. L. ,and M. L. Eastridge. Assessment of the effects of iodine value on fatty acid digestibility , feed intake, and milk production. J Dairy Sci, 1994,77:2357 - 2366.
