No. 11, 2006

1  Premier Wen Received Advisor of DAC,2006“Friendship Award”Foreign Expert Awardee Doctor J.C.Rennie…………………………………………………………………………………..Editorial Office

2  Summary for the Twenty-First Reproductive Technology Symposium of DAC…………………………………………………………………………..the Reproduction Committee of DAC

3  Effects of Iron on Maturation and Fertilization of Bovine Oocytes in Vitro…………Gao Guolong,Yi Jianming et al.

6  The Analysis of Cation-Anion Difference of Some Important Forage…………Li Zhiqiang,Lu Peng et al.

9  Cellulolytic Enzyme and the Ion Beam Biological Technology Effect on it……Bao Xiuzhen,Liang Yunzhang et al.

11 The Effect of Aspergillus Oryzae Extract on Rumen Ecosystem and Lactation Performance in  Dairy Cows ………………………………………………………………………..Sun Anquan,Sha Haifeng et al.

12 Production Performance of Australian Holstein Dairy Cows in Unmqi………Zhang Chengxuan,Qin Yong et al.

14 Nutritional Management Strategies of Reducing Heat Stress in Dairy Cows…Zhang Jihong,Zhang Peihua et al.

18 Study on Bovine Oocytes Cryopreserved by Vitrification………………...……Huo Fei,Hai Liqiemu et al.

20 Effect of Heat Stress on Reproduction Performance in Dairy Cows and Countermeasures…………………………………………………………………………………Shi Zhendan,Guo Wenjun et al.

24 Experiment of Repeated Superovulation in Chinese Holstein Cows……..Wei Chengbin,Huo Wenjie et al.

25 Study on Introduction Crossing in Sanhe Cattle………………………...Wu Hongjun,Guan Yanjiang et al.

27 Study on Hemorheology of Hoof Deformities in Holstein Dairy Cattle…..Chen Tieqiao,Tan Yunhua et al.

31 Fourteen Blood Biochemical Parameters in Dairy Cows of Different Regions….Wu Chenchen,Xia Cheng

33 Diagnosis and Cure of Gangrenous Mastitis in Dairy Cows…………………Wu Chunhong,Zhao Deming

35 Diagnosis and Treatment of Abomasal Displacement in 119 Dairy Cows…Zhang Chuanshi,Qiu Shihua et al.

36 Diagnosis and Therapy of Umbilical Hernia in Dairy Calves……………..Wang Yong,Duan Xianlai et al.

38 Diagnosis and Treatment of Birth Canal Injuries in Dairy Cows…………………Lei Jinlong,Wu Shuqing

39 Butterfat Flavour and Factors Affecting it…………………………………Zhang Yuan,Zhang Xuhui et al.

42 The Comprehensive Measures to Ensure the Quality of Raw and Fresh Milk……..Hou Yinxu,Wei Chaoli

44 Styles,Advantages and Application of Calf Hutch in Dairy Cattle……………. Chen Chen,Zhang Yonggen

46 Online Milk Analyzer-Magic Box………………………………………………….Zhang Haowen,Lu Jing

47 The Status Quo, Problems and Advice in Dairy Industry of Dali Prefecture,Yunnan Province……………………………………………………………………………………………..Li Huimin,Duan Yu

50 Experience and Inspiration in Dairy Industry of Taiwan Province……………………………Zhou Junling

53 Methods of Installing Nose Ring for Breeding Bulls……………………………... Pan Zhenfa,Liu Yu et al.

54 Basic Points of Nursing Udder in Dairy Cows in Winter………………………………………….Lin Chen

55 Genetic Principles behind the Art of Mating ………………………………………………….Gao Hongbin

58 How to Improve Economic Results in Dairy Cows Feeding………………Wang Haijun,Zhang Shanfang

60 Diagnosis and Treatment of Coccidiosis in Calves………………………..Xu Gang,Zhang Jingchen et al.

61 Main Points to Choose Management Software of Dairy Farm…………………………………….Wang Yi

62 Information Services………………………………………………………………………..Editorial Office