No. 10, 2006

1  Notice on 2006 Breeding Committee of DAC & Meeting of Nation-wide Young Bull Joint Progeny Testing

3  The Analysis of Fatty Acid Component of Some Important Forage……...Li Zhiqiang,Liu Fengzhen et al.

6  Study on in Situ Degradability of Alfalfa Hay in the Initial Stage of Weaning Holstein Bull Calf…………………………………………………………………………………….Li Guoqing,Chen Ning et al.

10 Calcium Metabolism and Factors Influencing it in Dairy Cows……………….Cao Rong,Wang Jiaqi et al.

12 The Effect of Feeding A-MAX Yeast Culture on Performance of High-Producing Dairy Cows in Summer Heat Stress………………………………………………………………...Zhang Yinglai,R.Bruno et al.

13 Effect of Prepartum Anionic Salts on Postpartum Disease and Lactating Performance in Dairy Cows……………………………………………………………….................Zhang Yuewen,Xu Zengzeng

15 Effect of Substituting Part of Soybean With Urea Enwrapped With Wort on Lactating Performance in Dairy Cows……………………………………………………………….......Han Aiyun,Zuo Xiaolei et al.

17 Feeding Technical Specification of Manual Total Mixed Ration in Dairy Cattle………Ge Xin,Wang Jianhua et al.

21 Factors Influencing Bull Semen Production and …………….Zhang Haitao,Liu Yu et al.

24 Breeding, Pregnancy and Conception Rate of Donor Cow in Embryo Transfer Techno logy………………………………………………………….......................Zhong Shoukun,Wu Changli et al.

25 Defensive Mechanism of Mammary gland and Pathology of Mastitis in Dairy Cows……Zang Li,Li Yingjun et al.

28 Diagnosis and Treatment of Calf Diphtheria………………………………...Huang Yi,Xiao Dinghan et al.

30 Diagnosis and Cure of Tibial Bone Fracture in Five Dairy Cow Calves……Shen Liuhong,Liu Changsong

31 Segregation and Identification of Major Pathogenic Microorganism from Bovine Chlamydiosis Abortion………………………………………………………………................................Wang Xiaodong

32 Diagnosis and Therapy of Bloody Milk by Combining Traditional Chinese with Western Therapies in Dairy Cows ………………………………………………………………........Zhang Xiwei,Zhang Haijun

34 The Research on Direct Voltage Testing of Milk Protein in Dairy Cows…….Qin Lihu,Kou Yunjuan et al.

36 The Constitution and Application of Quality Tracing System in Pasteurized Milk……Bai Fuqin,Wan Zhong et al.

38 Problems and Countermeasures on Disposal and Resource Utilization of Excretion in Dairy Cattle in Chongqing Region……………………………………………………………… Wang Outing,Ye Fen et al.

41 How to Provide Dairy Cows with Drinking Water in Winter……………………………Cao Kaijun,Chen Shangang

43 A Brief Discussion on Measures to Speed up the Central Plains Dairy Industry………………..Bai Yueyu

46 The Largest Base of Bovine Embryo Transfer Founded in Dezhou City…………………….Wang Yanqiu

47 Breeding Objectives of Holstein Dairy Cows in Major Countries……………………………Gao Hongbin

49 The Best Dual-purpose Breed of France-the Normande Breed…………………………………Zhang Jiayi

50 Problems and Advice in Feedstuff Utilization of Dairy Cow Farmer………Wang Yachao,Yu Shihao et al.

53 Common Myths and Tips on Treatment of Diarrhea and Nursing in Dairy Cows…A Erziguli,Song Meiling et al.

55 Selection, Purchase, Preservation and Insemination of Bull Frozen Semen….Zhao Mingzhen,Sun Naifeng

57 Hidden Troubles and Countermeasures in Dairy Cattle Breeding Region….Yang Luming,Zhu Heran et al.

58 Orthometria of Uterine Prolapse in Dairy Cows……………………………………………….Cao Heyuan

59 The Extension of Calving Interval Decreases the Farm Profit……………………………………..Wang Yi

60 Information Services………………………………………………………………..............Editorial Office