4INGVARTSEN K L,DEWHURST R J, FRIGGENS N C. On the relationship between lactational performance and health: is it yield or metabolic imbalance that cause production diseases in dairy cattle? A position paper[J]. Livestock Production Sci- ence, 2003,83 (2-3) : 277-308.
5INGVARTSEN K L. Feeding and management-related diseases in the transition cow hysiological adaptations around calving and strategies to reduce feeding-related diseases[J]. Animal Feed Science and Technology, 2006 (126) : 175-213.
6GOFF J P. Major advances in our understanding of nutritional influences on bovine health[J]. J Dairy Sci, 2006 (89) : 1292- 1301.
9Bobe G, Young J W, Beitz D C. Invited review: pathology, eti- ology, prevention and treatment of fatty liver in dairy cows[J]. Journal of Dairy Science, 2004(87) : 3015-3124.
10Fenwick M A, Fitzpatrick R, Kenny D A, et al. Interrelation- ships between negative energy balance(NEB) and IGF regulation in liver of lactating dairy cows[J]. Domestic Animal Endocinolo- gy, 2008(34): 31-44.