No. 4, 2006

0  The DAC' s Notices on“Enforcement Scheme of China Holstein Dairy Cows Certification of Registration”et cetera………………………………………………………………………………….DAC

1  Council Chairman Liu Chengguo and Secretary General Wei Keijia of Dairy Associaiton of China Visited Xinjiang.. …………………………. ………………………………………………Editorial Office

1  The Third Congress of Dairy Association of Xinjiang was Held in Urümuqi City,Xingjiang Autonomous Region ……………………………………………………………………………………..Editorial Office

1  The Fiftieth Anniversary Meeting of Dairy Industry of Beijing Sanyuan was Held in Beijing City……Editorial Office

2   Dairy Cattle Scientific Technology Popularisation Made Preliminary Achievements in the Countryside in 2005………………………………………………………………………………………Editorial Office

3   Dairy Food HACCP Certification of DAC Gained Accreditation of CNCA and CNAB…………………Editorial Office

4   Current Status,Countermeasures and Advice in China Dairy Industry …………………….Sun Shaohua

8   Determination of Lactulose Content in UHT Milk Using HPLC…Wang Jiaqi,Huang Mengmeng et al.

11 Effect of Combination of Alkali and Nitrogen on Nutritional Value of Wheat Straw…Lu Lin,Zhan Shuanyang et al.

16 The Effect of Two Different Compound-Premix on Milk Performance of Dairy Cows under Heat Stress UHT Milk……………………………………………………………….Zhang Peihua,Gong Weiqi et al.

19 The Biological Function of and The Application of Chrominum for Dairy Cows……………………Li Na,Li Jianguo

21 The Development of Cows Sugar Honey Urea Multinutrient Blocks and Supplementary Feeding Experiment…………………………………………………………………….Liu Zixin,Zhou Guiyun et al

23 Splanchmic Metabolism of Volatile Fatty Acids In Dairy Cows……………………………...Zhang Qiaoe

26 A Brief Discussion on Feeding Management of Periparturient Dairy Cows…Wang Jianqin,Liu Bing et al.

27 Research Progress on Animal Mammary Gland Bioreactor…………………………Zhang Zhongcheng

31 Study on Effective Method of Cows' Superovulation and Multipleovulation…Zhang Xinhui,Wu Shengquan et al.

34 The Analysis of Main Traits for Xinjiang Simmental Cattle……………Deng Jiangling,Ge Jianjun et al.

35 The Application of LHRH-A3 in Cows' Superovulation…………………Li Tongbao,Wang Hongbao et al.

36 Mechanism of Edema of Mammary Gland in Dairy Cows…………………Tang Hongwei,Liu Lili,et al.

39 The Comprehensive Measures Against Foot Trouble in Dairy Cows…… Lu Zhonghua,Li Zongfang et al.

40 Epeidemiological Study of Cattle Cryptosporidiosis in a Hefei Dairy Farm……..Wu Lin,Li Peiying et al

42 Diagnosis and Treatment of Omasum Impaction in Dairy Cows……………Zhu Xinglin,He Jianbin et al.

43 Diagnosis of Collective Abortions in Dairy Cows…………………….Qiu Changqing, Zhou Jizhang et al.

45 The Process of Manufacturing Jujube Cheese………………………………………..Du Kun,Zhang Fuxin

47 Milk and Dairy Products Safety Problems and Countermeasures in Our Country………Wang Jingyu,Zai Linsen

51 The Comprehensive Prevention of Environmental Pollution in Large Herd Cattle Farm……………………………………………………………………………………Liu Yanxin,Liu Taiyu et al.

52 Research and Application in Element Construction Dairy Cattle House of Six-Row Freestall Barn…………………………………………………………………………………………Cao Kaijun,Fengying

54 The Problems and Countermeasures in Dairy Industry of Hebei Province……………………….Li Ying

58 The General Situation of Belgium Dairy Industry …………………………………………….Wang Huibin

59 Introduction to Successful Experience From Wulitai Dairy Farm………Shen Yanping,Wang Guangshan

60 Avoiding Mineral Deficiency in Dairy Cow Ration ……………………………………………...Cui Taoqi

61 Incorrectly Feeding System of Dairy Cows in Peasant Household…………………………..Xue Zhicheng

62 How to Raise Dairy Cows in Midsummer ……………………………………Jin Xialiang,Shen Yancheng

64 Information Services………………………………………………………………………..Editorial Office