Embryo engineering

Embryo engineering technology and their application in animal production

胚胎工程技术及其在畜牧业中的应用

Research Methods of the Cytology and Embryo Engineering

细胞学及胚胎工程研究方法

In order to provide basic materials for reproduction physiology and embryo engineering , the Yellow Cattle 's oviduct was observed by freezing section and HE staining .

采用冰冻切片HE染色方法对黄牛输卵管各部进行了组织学观察，以为生殖生理学和胚胎工程学等教学和研究工作提供基础资料。

Along with the development of embryo engineering technique , it changes more and more urgent and essential to begin to study in vitro embryo production of deer in our country .

随着胚胎生物工程技术的深入研究和不断发展，在我国开展对鹿胚胎体外生产技术的研究显得越来越重要与紧迫。

Oocyte for embryo engineering recovered from ovaries of slaughtered animals have been found highly variable in their quality , so have to be selected strictly .

胚胎工程技术所需的卵母细胞主要来源于屠宰动物的卵巢，其质量差异较大，必须进行严格挑选。

With the development of agriculture , and especially the rapid development of embryo engineering in flock and herds , the sex control has become more and more important in the farm animal industry .

随着农业产业化的进程，特别是牛羊胚胎工程产业化的迅速发展，运用性别控制技术来加快这种产业化的进程显得越来越重要。

Paul Nurse , former President of the Royal Society , which focuses on biomedical research , has noted the major achievements China has made in quantum-communication satellites and human embryo engineering .

英国皇家学会前会长保罗·纳斯主要研究生物制药，他强调说中国已经在量子通讯卫星和人类胚胎工程方面取得了重大成就。

Oocytes maturation and in vitro culture systerm are important parts of the embryo engineering and developmental biology . The oocytes reprogramming ability is determined by the degree of maturation .

卵母细胞的成熟和体外培养条件是胚胎工程和发育生物学的重要组成部分，同时也是胚胎体外生产的上游环节，其成熟质量的优劣很大程度上决定了卵母细胞对供体细胞的重编程能力。

The technology of oocyte maturation in vitro was harnessed to obtain plenty of oocytes , which would not only circumvent the limitations of the superovulation but also meet the need of the embryo engineering .

利用卵母细胞体外成熟技术，可获得大量的廉价卵母细胞，既克服了超数排卵技术的局限性，又满足了胚胎工程技术发展的需要。

The ES cell separation and cloning technique combined with genetic modification and the embryo engineering showed promising theoretical and practical values in animal growth and development model , the protection of endangered species , and establishment of advanced animal breeding systems etc. .

ES细胞分离、克隆技术与遗传工程和胚胎工程相结合，对于阐明动物生长发育的基本规律、抢救和保护濒危动物遗传资源、建立先进的动物育种技术体系具有重大的理论意义和实践价值。

Bovine and ovine both are very important livestock in the field of mammal reproduction study including embryo engineering 、 animal cloning and transgenic animal production , but the mechanism of bovine and ovine oocyte meiotic maturation is not completely clear .

牛和绵羊在动物胚胎工程、动物克隆和转基因生物反应器等生殖生物领域研究中是很重要的家畜，但牛和绵羊卵母细胞体外成熟的机制还不是十分清楚。

The paper reviewed the embryo engineering and technology , including embryo-transfer , embryo freezing / preservation , embryo division , in vitro fertilization , sex identification and control , gene-transferred animal , nuclear transfer , embryonic stem cell and embryo chimera , and their application prospect in animal farming .

文章主要叙述了胚胎移植、胚胎冷冻保存、胚胎分割、体外受精、性别鉴定及控制、转基因动物、细胞核移植、胚胎干细胞和胚胎嵌合等胚胎工程技术及其在畜牧业中的应用前景。

Advance Animal Embryo Technique The Engineering

动物胚胎工程技术研究进展

The scientists in England and France are doing research work on genetics and breeding of hybrid rice by making use of molecular marker . plasmatic fusion . ratooning of plantlet or somatic embryo and genic engineering techniques .

法、英等国利用分子标记、原生质融合、植物或体细胞胚再生和基因工程等技术，进行杂交稻的遗传研究与育种。

Present Situation of Dairy Cattle Embryo Transplantation and Embryo Engineering Techniques in China and the Important Research Field for the " 11th Five-year " Program

我国奶牛胚胎移植和胚胎工程现状及十一五的重点研究领域

The culture of porcine oocytes maturation in vitro , parthenogenetic activation of MII porcine oocytes and embryo culture are main technology of embryo biology engineering .

猪卵母细胞的体外成熟培养、成熟卵母细胞的孤雌激活和胚胎培养是胚胎生物工程技术的主要环节。

In recent years , the business that embryo transplant application and the research of every kind of embryo engineering development all need a mass of high-quality earlier period embryo .

近年来，胚胎移植的商业应用和各种胚胎工程等方面的研究和开发都需要大量的优质早期胚胎。

In 2001 ~ 2004 , it was used to conduct the test of embryo transfer that 172 frozen embryos of cattle of different breeds were introduced into Huzhu county from the centre of embryo engineering in Xinjiang Hutubi Breeding Cattle Farm .

互助县在2001&2004年先后从新疆呼图壁种牛场胚胎工程中心引进不同品种牛冷冻胚胎172枚，进行了胚胎移植试验。