5Allen M S. Relationship between fermentation acid production in the rumen and the requirement for physically effective fiber[J]. J Dairy Science, 1997, 80: 1447-1462.
6Wu Z, Ohajuruka O A, D L Palmquist. Ruminal synthesis, biohydrogenation, and digestibility of fatty acids by dairy cows [J]. J Dairy Science, 1991, 74: 3025-3034.
7Harvatine K J, Allen M S. Effects of fatty acid supplements on milk yield and energy balance of lactating dairy cows[J]. J Dairy Science, 2006, 89: 1081-1091.
8Bauman D E, Griinari J M. Nutritional regulation of milk fat synthesis Annu Rev Nutr, 2003, 23: 203-227.
9Peterson D G, Matitashvili EA, Bauman D E. Dietinduced milk fat depression in dairy cows results in increased trans-10, c/s-12 CLA in milk fat and coordinated suppression of mRNA abundance for mammary enzymes involved in milk fat synthesis [J]. Nutr, 2003, 133: 3098-3102.
10Sklan D, Moallem U. Effect of feeding calcium soaps of fatty Acids on production and reproductive responses in high producing lactating cows [J]. J Dairy Science, 1991, 74: 510-517.