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Factors affecting the lactoferrin concentration in bovine milk

文献类型: 外文期刊

作者: Cheng, J. B. 1 ; Wang, J. Q. 1 ; Bu, D. P. 1 ; Liu, G. L. 1 ; Zhang, C. G. 1 ; Wei, H. Y. 1 ; Zhou, L. Y. 1 ; Wang, J. Z. 1 ;

作者机构: 1.Chinese Acad Agr Sci, Inst Anim Sci, State Key Lab Anim Nutr, Beijing 100094, Peoples R China

2.Technol Yangzhou Univ, Coll Anim Sci, Yangzhou 225009, Peoples R China

3.Dairy Inspect & Superv Ctr, Minist Agr Milk, Beijing 100094, Peoples R China

关键词: bovine milk;lactoferrin;parity;somatic cell count score

期刊名称:JOURNAL OF DAIRY SCIENCE ( 影响因子:4.034; 五年影响因子:4.354 )

ISSN: 0022-0302

年卷期: 2008 年 91 卷 3 期

页码:

收录情况: SCI

摘要: Lactoferrin (LF) concentrations in the milk with different levels of the somatic cell count score were examined using an ELISA to determine whether milk LF concentration is influenced by parity of the cow, stage of lactation, and the somatic cell count. The study animals were 198 Chinese Holstein cows randomly chosen from more than 1,600 cows in 4 dairy farms in the Beijing area. The cows had shown no sign of mastitis for 2 mo. Daily milk production was recorded, and milk samples were taken from individual cow samples. The LF concentration varied between 31.78 and 485.63 mu g/mL in milk from normal animals. Lactoferrin was significantly associated with stage of lactation (r = 0.557) and daily milk production (r = -0.472). Nevertheless, there was no significant relationship with parity. Moreover, milk LF concentration tended to be correlated with the somatic cell count score (r = 0.375). This finding suggests that milk LF may be helpful as an indicator for intramammary infection in dairy cows.

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