巴美肉羊发情期外周血E2和P4浓度变化规律与排卵数关系研究

›› 2012, Vol. 39 ›› Issue (11): 154-157.

巴美肉羊发情期外周血E₂和P₄浓度变化规律与排卵数关系研究

祁云霞^1,2, 乌恩旗³, 索峰^1,4, 何小龙², 特日格勒⁴, 达赖⁴, 王文义⁵, 刘永斌⁴, 荣威恒⁴

1. 内蒙古农业大学动物科学学院,内蒙古呼和浩特 010018;
2. 中国科学院内蒙古草业研究中心,内蒙古呼和浩特 010031;
3. 内蒙古自治区海拉尔农牧场管理局,内蒙古呼伦贝尔 021008;
4. 内蒙古自治区农牧业科学院,内蒙古呼和浩特 010031;
5. 巴彦淖尔市动物卫生监督所,内蒙古巴彦淖尔 015000

收稿日期:2012-05-09 出版日期:2012-11-20 发布日期:2012-11-22
通讯作者: 刘永斌(1977-),男,研究员,研究方向:动物遗传育种与繁殖。E-mail:ybliu117@163.com; 荣威恒(1963－),男,研究员,博士生导师,研究方向:动物遗传育种与繁殖。E-mail:rongweiheng@126.com E-mail:ybliu117@163.com; rongweiheng@126.com
作者简介:祁云霞(1981-),女,内蒙古人,博士生,研究方向:分子生物学与动物育种。
基金资助:
国家科技支撑计划项目(2011BAD28B05);内蒙古自然科学基金项目(2010BS0406);国家现代肉羊产业技术体系(CARS-39)。

Concentration Changes of E₂ and P₄ in Peripheral Blood during Estrus of Bamei Mutton Sheep and Their Relationship with Ovulation Rate

QI Yun-xia^1,2, WU En-qi³, SUO Feng^1,4, HE Xiao-long², TE Ri-gele⁴, DA Lai⁴, WANG Wen-yi⁵, LIU Yong-bin⁴, RONG Wei-heng⁴

1. College of Animals Science, Inner Mongolia Agricultural University, Hohhot 010018, China;
2. Inner Mongolia Prataculture Research Center, Chinese Academy Sciences, Hohhot 010031, China;
3. Inner Mongolia Hailar Pasture Management Bureau, Hulunbuir 021008, China;
4. Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences, Hohhot 010031, China;
5. Bayannur Animal Health Inspection, Bayannur 015000, China

Received:2012-05-09 Online:2012-11-20 Published:2012-11-22

摘要/Abstract

摘要： 绵羊在发情周期中各生殖激素浓度变化与卵泡发育、成熟和排卵有着密切的关系。为了研究巴美肉羊血清生殖激素的动态变化及其与排卵数关系,试验采用电化学法,测定了12只成年母羊发情期血清中2种类固醇激素(E₂和P₄)的浓度水平,分析其动态变化规律,并用SAS 9.0的方差分析程序分析激素浓度与排卵数的关系。结果表明,两种激素在排单卵组和排双卵组绵羊间变化规律不同,E₂在排单卵组表现为先下降后升高的变化趋势,在排双卵组表现为持续下降趋势;P₄在排单卵组表现为持续上升的趋势,在排双卵组为先上升后下降的变化趋势。排单卵和排双卵组绵羊在各时间点的E₂和P₄激素浓度差异均不显著(P＞0.05)。

关键词: 绵羊; 雌二醇(E₂); 孕酮(P₄); 发情期; 排卵数

Abstract: Concentration changes in each reproductive hormones during sheep oestrus cycle are closely related with follicular development, maturation and ovulation. In order to study the dynamic changes of the serum reproductive hormones of the Bamei Mutton sheep and their relationship with ovulation rate, the electrochemical method was used to measure serum concentrations of two steroid hormones (E₂ and P₄) for 12 adult ewes during estrus, and the variance analysis procedures of the SAS 9.0 were used to analyze the relationship between hormone concentration and ovulation rate. The results showed that variation of the two hormones were different between the laying-single-egg group and the laying-double-eggs group sheep. Concentration of E₂ firstly decreased and then increased in laying-single-egg group, and continuously declined in laying-double-eggs group. Concentration of P₄ continuously increased in laying-single-egg group, and firstly increased and then decreased in laying-double-eggs group. Concentration differences of E₂ and P₄ at each time point between the two groups were not significant(P＞0.05)。

Key words: sheep; estradiol (E₂); progesterone (P₄); estrus; ovulation

中图分类号:

S814.4

祁云霞, 乌恩旗, 索峰, 何小龙, 特日格勒, 达赖, 王文义, 刘永斌, 荣威恒. 巴美肉羊发情期外周血E₂和P₄浓度变化规律与排卵数关系研究[J]. , 2012, 39(11): 154-157.

QI Yun-xia, WU En-qi, SUO Feng, HE Xiao-long, TE Ri-gele, DA Lai, WANG Wen-yi, LIU Yong-bin, RONG Wei-heng. Concentration Changes of E₂ and P₄ in Peripheral Blood during Estrus of Bamei Mutton Sheep and Their Relationship with Ovulation Rate[J]. , 2012, 39(11): 154-157.

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巴美肉羊发情期外周血E₂和P₄浓度变化规律与排卵数关系研究

Concentration Changes of E₂ and P₄ in Peripheral Blood during Estrus of Bamei Mutton Sheep and Their Relationship with Ovulation Rate

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