水牛发情周期生殖激素变化规律及唾液结晶的分析

doi:10.16431/j.cnki.1671-7236.2019.04.017

《中国畜牧兽医》 ›› 2019, Vol. 46 ›› Issue (4): 1101-1107.doi: 10.16431/j.cnki.1671-7236.2019.04.017

水牛发情周期生殖激素变化规律及唾液结晶的分析

贾银海¹, 李芳芳², 蒋世强³, 李铭², 徐文文¹, 王国利², 潘能庆³, 杨秀荣¹, 蒋和生¹

1. 广西大学动物科技学院, 南宁 530004;
2. 广西壮族自治区畜禽品种改良站, 南宁 530021;
3. 广西巴弗罗牧业投资有限公司, 南宁 530003

收稿日期:2018-09-07 出版日期:2019-04-20 发布日期:2019-04-22
通讯作者: 蒋和生, 杨秀荣 E-mail:hsjiang@126.com;xiurongyang09@163.com
作者简介:贾银海(1977-),男,山西晋中人,博士,研究方向:动物遗传育种,E-mail:yinhai18@163.com
基金资助:
广西水产畜牧科技推广应用项目（桂渔牧科201633033、桂渔牧科201528001、桂渔牧科201528043）；南宁市科学研究与技术开发计划项目（20172134-2）；南宁市青秀区科学研究与技术开发计划项目（2017039）

The Variations and Correlation Analysis of Saliva Reproduction Hormones and Crystallization Patterns During Estrus Cycle in Buffaloes

JIA Yinhai¹, LI Fangfang², JIANG Shiqiang³, LI Ming², XU Wenwen¹, WANG Guoli², PAN Nengqing³, YANG Xiurong¹, JIANG Hesheng¹

1. College of Animal Science and Technology, Guangxi University, Nanning 530004, China;
2. Guangxi Work Station of Livestock & Poultry Breed Improvement, Nanning 530021, China;
3. Guangxi Buffalo Husbandry Investment Co., Ltd., Nanning 530003, China

Received:2018-09-07 Online:2019-04-20 Published:2019-04-22

摘要/Abstract

摘要：

试验对水牛发情周期血清和唾液中雌二醇（E₂）和孕酮（P₄）的浓度变化规律、水牛唾液结晶与卵泡发育变化分别进行了分析研究，为进一步探讨水牛发情规律、指导生产提供依据。采用酶联免疫分析法（ELISA）测定发情母水牛血清和唾液中E₂和P₄的浓度变化，并对血清和唾液的激素变化规律进行相关性分析。结果表明，水牛血清和唾液中的E₂和P₄呈波动性变化。发情前期，唾液中P₄浓度一直维持在6.50~7.10 ng/mL，发情第13天达到11.09 ng/mL，随后快速下降。唾液中E₂浓度在发情第3~5天出现一个峰值178.53 pg/mL，在第14~17天唾液中E₂浓度显著升高，出现第二个峰值179.10 pg/mL。母水牛唾液中E₂和P₄浓度的变化趋势与其在血清中的变化趋势基本一致，均呈显著相关（P<0.05）；唾液中E₂与P₄浓度呈极显著相关（P<0.01）。水牛发情当天唾液结晶呈现明显的蕨类作物形状且分维值显著低于其他时间点（P<0.05）。水牛发情周期唾液结晶图形的变化与卵巢卵泡发育基本同步，可作为监测水牛发情及预测排卵的可靠指标之一。

关键词: 水牛; 生殖激素; 唾液结晶

Abstract:

The aim of the experiment was to explore the buffalo estrus and provide theoretical references for buffalo production by studying the change laws of estradiol (E₂) and progesterone (P₄) concentrations during estrus cycle of salivary and serum,investigating the salivary ferning and the development of ovaries in buffalo.The concentrations of E₂ and P₄ were determined by the enzyme linked immunosorbent assay (ELISA) in estrus cycle,and the correlation between the serum and saliva hormones were analyzed.The results show that the concentrations of E₂ and P₄ varied fluctuantly.The concentration of saliva P₄ was maintained from 6.50 to 7.10 ng/mL at the beginning of estrus,and reached 11.09 ng/mL at 13 d of estrus,then fell fast.The concentration of saliva E₂ had two peaks,respectively at 3-5 d (178.53 pg/mL) and 14-17 d (179.10 pg/mL) of estrus.The change trends of E₂ and P₄ levels in salivary and serum had the same change trends,the concentrations of salivary P₄ and E₂ had significant correlations with that in serum (P<0.05),while the salivary E₂ concentration also had a extremely significant correlation with the salivary P₄ concentration (P<0.01).Saliva showed a typical fern-like crystallization patterns at 0 d of estrus,with significantly lower fractal dimension values compared with the other days of estrus (P<0.05).The results were also showed the basic synchronization between saliva crystallization and ovarian follicle.In conclusion,saliva crystallization could be used as a reliable index for monitoring estrus and predicting ovulation in buffalo.

Key words: buffalo; reproduction hormones; salivary crystallization

中图分类号:

S814.1

贾银海, 李芳芳, 蒋世强, 李铭, 徐文文, 王国利, 潘能庆, 杨秀荣, 蒋和生. 水牛发情周期生殖激素变化规律及唾液结晶的分析[J]. 《中国畜牧兽医》, 2019, 46(4): 1101-1107.

JIA Yinhai, LI Fangfang, JIANG Shiqiang, LI Ming, XU Wenwen, WANG Guoli, PAN Nengqing, YANG Xiurong, JIANG Hesheng. The Variations and Correlation Analysis of Saliva Reproduction Hormones and Crystallization Patterns During Estrus Cycle in Buffaloes[J]. , 2019, 46(4): 1101-1107.

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水牛发情周期生殖激素变化规律及唾液结晶的分析

The Variations and Correlation Analysis of Saliva Reproduction Hormones and Crystallization Patterns During Estrus Cycle in Buffaloes

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