摘要
超排的目的在于从单位供体母牛获取量多质优的胚胎,并通过移植获得更多优良牛后代或通过冷冻保存优良牛和珍稀牛种的遗传资源。笔者对影响牛超数排卵效果的外源激素、供体状况、超排-冲胚次数、超排的季节、环境、技术等主要因素进行了分析,同时介绍国内外牛超排处理的主要方法及超排效果。
Objective of superovulation was to get more quantity and high quality embryos from individual donors,which produced out more excellent offspring cattle by embryo transfer technique and conservation more heredity resource of choiceness cattle and rare bovine breed by embryo frozen.Mostly factors such as exogenous hormone,donor status,time of superovulation and recovery embryos,superovulation season,environment,technique and so on,which affected the effect of superovulation were discussed.And mainly methods and effect of cattle superovulation were introduced in the paper.
出处
《中国农学通报》
CSCD
北大核心
2010年第23期12-17,共6页
Chinese Agricultural Science Bulletin
基金
云南省农业科技创新工程项目"肉牛良种资源选育及高效杂交组合利用"(2008LA018)
云南省科技攻关与高新技术发展项目"大额牛的扩繁及杂交利用关键技术研究"(2006NG23)
云南省自然科学基金项目"中国半野生大额牛(Bos frontalis)的性行为研究"(2006C0068M)
云南省省院省校科技合作计划项目"应用群选群育
开放式育种新技术
加快云南热带牛(BMY)的选育进程"(2005YX02)
关键词
牛
超数排卵
影响因素
cattle
superovulation
impact factors
