王不留行提取物对泌乳中期奶牛血清生化指标、泌乳相关激素及免疫功能的影响

doi:10.16431/j.cnki.1671-7236.2015.11.026

›› 2015, Vol. 42 ›› Issue (11): 2999-3003.doi: 10.16431/j.cnki.1671-7236.2015.11.026

王不留行提取物对泌乳中期奶牛血清生化指标、泌乳相关激素及免疫功能的影响

刘杨¹, 郭玉新¹, 赵凯科², 郑立³, 邓红雨³, 刘太宇³

1. 河南花花牛实业总公司, 郑州 450001;
2. 河南农业大学, 郑州 450002;
3. 河南牧业经济学院, 郑州 450011

收稿日期:2015-04-27 出版日期:2015-11-20 发布日期:2015-11-26
通讯作者: 刘太宇 E-mail:liuty2008@126.com
作者简介:刘杨(1968-),男,河南周口人,学士,研究方向:中兽药开发与研究,E-mail:liu80108@126.com
基金资助:
河南省重大科技专项(121100111000);河南牧业经济学院博士启动资金(2009DF003)

Effect of Cowherb Seed Extract on Serum Biochemical Indexes, Lactation Related Hormones and Immune Function of Mid-lactating Dairy Cows

LIU Yang¹, GUO Yu-xin¹, ZHAO Kai-ke², ZHENG Li³, DENG Hong-yu³, LIU Tai-yu³

1. Henan EL Toro Industrial Limited Company, Zhengzhou 450001, China;
2. Henan Agricultural University, Zhengzhou 450002, China;
3. Henan University of Animal Husbandry and Economy, Zhengzhou 450011, China

Received:2015-04-27 Online:2015-11-20 Published:2015-11-26

摘要/Abstract

摘要： 试验旨在研究王不留行提取物对泌乳中期奶牛血清生化指标、泌乳相关激素及免疫功能的影响。选用胎次(2~4胎)、体重、产奶量均相近的泌乳中期中国荷斯坦奶牛32头,随机分为4组,每组8头,分别饲喂王不留行提取物添加水平为0(对照组)、5.7 g/(头·d)(低剂量组)、19 g/(头·d)(中剂量组)、38 g/(头·d)(高剂量组)的试验日粮。预试期7 d,正试期35 d。结果表明,与对照组相比,各剂量组血清中总蛋白、白蛋白含量均无明显变化(P>0.05),其中在第30天时,血糖含量呈升高趋势,甘油三酯、尿素氮含量呈下降趋势,但差异均不显著(P>0.05);与对照组相比,各剂量组血清中催乳素和生长激素水平有一定程度的提高,其中中、高剂量组在第30天时差异显著(P<0.05);与对照组相比,各剂量组血清中IgA、IgG含量呈升高趋势,而IgM含量呈下降趋势,但差异均不显著(P>0.05)。综上所述,日粮中添加王不留行提取物可改善奶牛机体的能量代谢水平及蛋白质的利用率,促进体内脂类代谢,提高产奶量,建议泌乳中期奶牛日粮中王不留行提取物添加量为19~38 g/(头·d)。

关键词: 王不留行提取物; 泌乳中期; 催乳素; 生长激素; 荷斯坦奶牛

Abstract: The objective of this study was to investigate the effect of cowherb seed extract on serum biochemical indexes,lactation related hormones and immune function of mid-lactating dairy cows.32 Chinese Holstein cows in parity 2 to 4 with similar weight and milk yield were selected and randomly divided into four groups and eight cows per group.Dairy cows were fed the diets supplemented with 0(control group),5.7 g/(head·d) (low dosage group),19 g/(head·d)(medium dosage group) and 38 g/(head·d) (high dosage group) cowherb seed extract.The pre-test lasted for 7 days,and the trial period lasted for 35 days.The results showed that compared with control group,the serum TP and ALB contents of each dosage group had no obvious change (P>0.05).The serum GLU content of each dosage group had a rising trend on the 30th day,while the serum TG and BUN contents of each dosage group had a decreasing trend,but the differences were not significant (P>0.05).Compared with control group,the serum PRL and GH contents of each dosage group increased at a certain degree,the medium and high dosage groups were significantly increased on the 30th day (P>0.05).Compared with control group,the serum IgA and IgG contents of each dosage group had a rising trend,while the serum IgM content of each dosage group had a decreasing trend,but the differences were not significant (P>0.05).In conclusion,dietary supplementation of cowherb seed extract could improve the energy metabolism and protein utilization,promote the lipid metabolism and increase the milk production of dairy cows.And the optimum supplemental level of cowherb seed extract in the diet of mid-lactating dairy cows was 19 to 38 g/(head·d).

Key words: cowherb seed extract; mid-lactation; PRL; GH; Holstein cow

中图分类号:

S831

刘杨, 郭玉新, 赵凯科, 郑立, 邓红雨, 刘太宇. 王不留行提取物对泌乳中期奶牛血清生化指标、泌乳相关激素及免疫功能的影响[J]. , 2015, 42(11): 2999-3003.

LIU Yang, GUO Yu-xin, ZHAO Kai-ke, ZHENG Li, DENG Hong-yu, LIU Tai-yu. Effect of Cowherb Seed Extract on Serum Biochemical Indexes, Lactation Related Hormones and Immune Function of Mid-lactating Dairy Cows[J]. , 2015, 42(11): 2999-3003.

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王不留行提取物对泌乳中期奶牛血清生化指标、泌乳相关激素及免疫功能的影响

Effect of Cowherb Seed Extract on Serum Biochemical Indexes, Lactation Related Hormones and Immune Function of Mid-lactating Dairy Cows

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