季节和输精程序对罕山白绒山羊同期发情效果的影响

doi:10.19543/j.cnki.1673-4556.20260416.003

中国畜禽种业 ›› 2026, Vol. 22 ›› Issue (7): 53-57.doi: 10.19543/j.cnki.1673-4556.20260416.003cstr: 32418.14.j.cnki.1673-4556.20260416.003

所属专题：精液生产、保存及应用技术

季节和输精程序对罕山白绒山羊同期发情效果的影响

段增祎¹(), 刘永合², 李巍巍², 刘树才², 单德海², 徐惠娟², 石景君³, 刘孟豪¹, 李俊进¹, 齐琪¹, 余芷璇¹, 侯健¹()

^1. 畜禽生物育种全国重点实验室/中国农业大学生物学院，北京 100193
^2. 赤峰市罕山白绒山羊种羊场，内蒙古赤峰 025150
^3. 阿鲁科尔沁旗农牧局，内蒙古赤峰 025550

收稿日期:2025-12-09 出版日期:2026-07-26 发布日期:2026-07-18
通讯作者: 侯健 E-mail:zengyiduan@163.com;houjian@cau.edu.cn
作者简介:
段增祎（1993—），男，河南洛阳人，博士，研究方向：家畜生殖生理和繁殖技术，E-mail：zengyiduan@163.com。
基金资助:
国家重点研发计划项目(2022YFD1300201); 国家绒毛用羊产业技术体系(CARS-39-04)

Effects of season and insemination protocol on estrus synchronization in Hanshan white cashmere goats

Zengyi Duan¹(), Yonghe Liu², Weiwei Li², Shucai Liu², Dehai Shan², Huijuan Xu², Jingjun Shi³, Menghao Liu¹, Junjin Li¹, Qi Qi¹, Zhixuan Yu¹, Jian Hou¹()

^1. State Key Laboratory of Animal Biotech Breeding, College of Biological Sciences, China Agricultural University, Beijing, 100193
^2. Hanshan White Cashmere Goat Breeding Farm, Chifeng, 025150, Inner Mongolia
^3. Agriculture and Animal Husbandry Bureau of Ar Horqin Banner, Chifeng, 025550, Inner Mongolia

Received:2025-12-09 Online:2026-07-26 Published:2026-07-18
Contact: Jian Hou E-mail:zengyiduan@163.com;houjian@cau.edu.cn

摘要/Abstract

摘要：

目的通过探究季节和输精程序对罕山白绒山羊同期发情效果的影响，以期为同期发情技术在该品种的大规模推广应用提供数据支撑和参考。方法本试验在非繁殖季节和繁殖季节，将罕山白绒山羊随机分为2组，即适时输精组和定时输精组，两组均采用P4-eCG方案，即在母羊阴道埋植孕酮海绵栓14 d后撤栓的同时肌肉注射马绒毛膜促性腺激素。但前者用公羊试情确认发情后12和24 h各进行一次人工授精；后者直接在撤栓后48和60 h进行两次定时输精。结果结果表明：同期发情程序的同期发情率在繁殖季节和非繁殖季节差异不显著（P>0.05）；但繁殖季节的妊娠率和产羔率均显著高于非繁殖季节（P<0.05）。在非繁殖季节和繁殖季节，适时输精组和定时输精组妊娠率和产羔率差异均不显著（P>0.05）。结论综上，P4-eCG方案在罕山白绒山羊上实现了良好的同期发情效果，繁殖季节妊娠率和产羔率要显著高于非繁殖季节，综合考虑操作简便性，建议选择定时输精方案。

关键词: 罕山白绒山羊, 同期发情, 适时输精, 定时输精

Abstract:

Objective By investigating the effects of season and insemination protocol on the efficacy of estrus synchronization in Hanshan white cashmere goats, this study aims to provide data support and a reference for the large-scale application of estrus synchronization technology in this breed. Method In this experiment, during both the non-breeding and breeding seasons, Hanshan white cashmere goats were randomly divided into two groups: the timely artificial insemination group and the timed artificial insemination group. Both groups received the P4-eCG protocol, in which a progesterone (P4) sponge was intravaginally implanted for 14 days, and equine chorionic gonadotropin (eCG) was intramuscularly injected at the time of sponge removal. In the timely artificial insemination group, estrus was detected using teaser rams, and artificial insemination was performed at 12 and 24 hours after estrus detection. In the timed artificial insemination group, two timed artificial inseminations were directly performed at 48 and 60 hours after sponge removal. Result The results indicated that there was no significant difference in the estrus synchronization rate between the breeding and non-breeding seasons following the estrus synchronization protocol (P>0.05). However, both the pregnancy rate and lambing rate were significantly higher during the breeding season compared to the non-breeding season (P<0.05). Both during the non-breeding season and the breeding season, there were no significant differences (P>0.05) in pregnancy rate and lambing rate between the timely artificial insemination group and the timed artificial insemination group. Conclusion In conclusion, the P4-eCG protocol achieved satisfactory estrus synchronization outcomes in Hanshan white cashmere goats, although pregnancy and lambing rates were significantly greater during the breeding season than in the non-breeding season. Considering operational convenience, the timed artificial insemination program is recommended.

Key words: Hanshan white cashmere goat, Estrus synchronization, Timely artificial insemination, Timed artificial insemination

中图分类号:

S827

段增祎, 刘永合, 李巍巍, 刘树才, 单德海, 徐惠娟, 石景君, 刘孟豪, 李俊进, 齐琪, 余芷璇, 侯健. 季节和输精程序对罕山白绒山羊同期发情效果的影响[J]. 中国畜禽种业, 2026, 22(7): 53-57.

Zengyi Duan, Yonghe Liu, Weiwei Li, Shucai Liu, Dehai Shan, Huijuan Xu, Jingjun Shi, Menghao Liu, Junjin Li, Qi Qi, Zhixuan Yu, Jian Hou. Effects of season and insemination protocol on estrus synchronization in Hanshan white cashmere goats[J]. Chinese Livestock and Poultry Breeding, 2026, 22(7): 53-57.

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参考文献 19

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项目Items	同期发情率Estrus synchronization rate/%	发情时间Estrus time/h
项目Items	同期发情率Estrus synchronization rate/%	12	24	36	48	60
非繁殖季节Non-breeding season/只	95.71(67/70)	0	3	38	25	1
繁殖季节Breeding season/只	97.22(70/72)	0	6	47	17	0

项目Items		非繁殖季节Non-breeding season	繁殖季节Breeding season
适时输精Timely artificial insemination	妊娠率/%	68.66(46/67)^b	87.14(61/70)^a
适时输精Timely artificial insemination	产羔率/%	64.18(43/67)^b	81.43(57/70)^a
定时输精Timed artificial insemination	妊娠率/%	60.66(74/122)^b	79.17(95/120)^a
定时输精Timed artificial insemination	产羔率/%	57.38(70/122)^b	74.17(89/120)^a

项目Items		适时输精Timely artificial insemination	定时输精Timed artificial insemination
非繁殖季节Non-breeding season	妊娠率/%	68.66(46/67)	60.66(74/122)
非繁殖季节Non-breeding season	产羔率/%	64.18(43/67)	57.38(70/122)
繁殖季节Breeding season	妊娠率/%	87.14(61/70)	79.17(95/120)
繁殖季节Breeding season	产羔率/%	81.43(57/70)	74.17(89/120)

季节和输精程序对罕山白绒山羊同期发情效果的影响

Effects of season and insemination protocol on estrus synchronization in Hanshan white cashmere goats

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