| 德系乳肉兼用型西门塔尔牛胚胎移植效果研究 |
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| 引用本文： | 伍丽仙,陈永玻,王成高,张立喜,赵 敏,龙 俊,佟万祥,和占星.德系乳肉兼用型西门塔尔牛胚胎移植效果研究[J].中国牛业科学,2020,46(2):29-33. |
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| 作者姓名： | 伍丽仙 陈永玻 王成高 张立喜 赵 敏 龙 俊 佟万祥 和占星 |
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| 作者单位： | 云南文山州畜牧站,云南 文山663099;云南文山州动物疫病预防控制中心,云南 文山663099;云南马关县畜牧技术推广工作站,云南 马关663700;云南省草地动物科学研究院,昆明650212 |
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| 基金项目： | 云南省现代农业肉牛产业技术体系项目;国家科技重大专项 |
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| 摘 要： | 目的]建立德系乳肉兼用型西门塔尔牛群体,探索文山牛快速扩繁和生产性能提升技术。方法]在马关县从600头文山黄牛、西本杂、安本杂和短本杂牛母牛中选择270头,用CIDR+PG法进行同期发情处理,选择黄体合格的受体,采用非手术法移植德系乳肉兼用型西门塔尔牛胚胎,在移植后60~90 d通过直肠检查法进行妊娠诊断,确定妊娠率,跟踪调查产犊情况,并测定胚胎移植所产犊牛的初生体重和主要体尺指标。结果]受体牛同期发情处理270头,胚胎移植87头,妊娠28头,移植妊娠率32.18%;妊娠母牛中产犊17头,产犊率60.71%,产犊19头,成活16头,产犊成活率84.21%。公母犊牛平均的初生重33.00 kg,体高69.50 cm,体斜长62.19 cm,胸围72.69 cm,管围13.50 cm。结论]首次在文山州开展了牛胚胎移植获得成功,杂交牛受体的移植妊娠率极显著或显著高于文山牛受体,秋季移植的妊娠率极显著高于春季和冬季的。提示以杂交牛为受体在秋季进行胚胎移植可有效提高移植成功率。
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| 关 键 词： | 德系西门塔尔牛 胚胎移植 同期发情 马关县 文山牛 |
Study on the Effects of Embryo Transfer from German Simmental Cattle |
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| WU Li-xian,CHEN Yong-bo,WANG Cheng-gao,ZHANG Li-xi,ZHAO Min,LONG Jun,TONG Wan-xiang,HE Zhan-xing.Study on the Effects of Embryo Transfer from German Simmental Cattle[J].China Cattle Science,2020,46(2):29-33. |
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| Authors: | WU Li-xian CHEN Yong-bo WANG Cheng-gao ZHANG Li-xi ZHAO Min LONG Jun TONG Wan-xiang HE Zhan-xing |
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| Institution: | (Animal Husbandry Station of Wenshan State, Wenshan, Yunnan 663099;Animal Disease Control Center of Wenshan State, Wenshan, Yunnan 663099;Animal Husbandry Technical Promotion Station of Maguan County, Maguan, Yunnan 663700;Yunnan Academy of Grassland and Animal Science, Kunming, Yunan 650212) |
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| Abstract: | Objective]To establish a German Simmental cattle group,the technology of the rapid expansion of Wenshan cattle and production performance improvement were discussed.Method]In Maguan county,270 out of 600 cattle were selected from Wenshan yellow cattle and their hybrids with Simmental,Angus and Shorthorn,which were subjected to estrus synchronization by CIDR+PG.To select the qualified corpus luteum recipient,the embryos of Simmental cattle were transplanted by non-surgical method.Pregnancy was diagnosed by rectal examination at 60 to 90 days after transplantation.The pregnancy rate was determined,the calving status was followed up,and the birth weight and main body size indexes of calves from embryo transfer were determined.Result]270 recipient cattle were treated with estruses synchronization,then 87 out of 270 recipients were transferred embryos,28 out of 87 recipient cattle were pregnant,and the pregnancy rate was 32.18%.Among pregnant cattle,17 recipient cattle were give the calves,which the rate of calving was 60.71%;16 out of 19 calves were lived,and the rate of lived calves was 84.21%;Average birth weight of female and male calves was 33.00 kg,and height at withers,body length,heart girth and circumference of cannon bone were 69.50 cm,62.19 cm,72.69 cm and 13.50 cm,respectively.Conclusion]The first successful embryo transfer was carried out in Maguan county of Wenshan state.The pregnancy rate of hybrid recipients was very significant or significantly higher than that of Wenshan cattle.And the pregnancy rate of transferred embryo in autumn was significantly higher than that in spring and winter.It is indicated that the hybrid cattle as the recipients for embryo transfer can effectively improve the success rate of embryo transfer in autumn. |
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| Keywords: | German Simmental cattle embryo transfer estrus synchronization Maguan county Wenshan cattle |
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