No. 9, 2007

• 2   Cloning and Prokaryotic Expression of Bovine Osteocalcin Gene………………Zhu Haibao,Guo Dingzong,et al.

  5  Effect of Astragalus Polysaccharide on Bovine Experimental Mastitis Induced by Endotoxin………………………………………………………………………………Zhong Kai, Wang Yangling, et al.

  8  Effect of Different Water Consumption on the Production of Lucerne…………………Hu Jianglin, Wei Jian, et al.

  10 Influence of Different Carbohydrate Composition on Calf Digestive Function…………Zhang Rong, Diao Qiyu

  13 The Damage of Mycotoxin Existing in the Feed and TMR on Dairy Cattle………Guo Fucun, Miao Zhaohua, et al.

  16 The Proceeding of Crop Rice Silage and Its Feeding Valuation for Dairy Cattle……………………………………………………………………………………………………………Zhang Peihua, Wang Jiaqi,et al.

  19 The Breeding Values Estimate of Cow Fertility…………………………………………Li Zhongshu, Yang Wei, et al.

  30 Influence of BSA on the Detection of Mycobacterium Bovis antibody ELISA…Wu Qingru, Guo Dingzong, et al.

  33 Detriment, Prevention and Treatment of Bovine Virus Diarrhea Disease…Wang Lianjiang, Qi Changming, et al.

  35 Mechanisms and Treatment of Vetained Fetal Membrane on Dairy Cows………Wu Chunhong, Huang Yi, et al.

  37 Improvement of Immune Bioactive Protein in Milk……………………………………Liu Guanglei, Wang Jiaqi, et al.

  40 Advances in Mad Cow Disease Research and Its Prevention in The World………………………Sunjian

  43 The Pollution and Treatment of Large-scale Cattle Farm ………………………………………Yan Bangfu

  48 Market Competition Analysis of Dairy Industry Company of China......................... ……Shen Qiuhong

  52 Report of Survey on Dairy Cattle Breeding in North America.................................... ……..Zhang Junmin

  57 The Treatment of Womb Desquamation in Two Dairy Cows……………………… ……...Huang Fusheng