Lesson 10  Embryo Transfer in Large Domestic Animals

一、Words and Expression

embryo transfer       /ˈembrioʊ trænsˈfɜːr/          n.胚胎移植胎移植

donor              /ˈdoʊnər/                 n.供体；捐赠者

recipient           /rɪˈsɪpiənt/                n.受体；接受者，接收者

Laparotomy          /ˌlæpəˈrɑːtəmi/               n.剖腹手术

anesthesia          /ˌænəsˈθiːʒə/            n.麻醉（术，法）；麻醉状态

nitrogen           /ˈnaɪtrədʒən/                n.氮

uterine tube         /ˈjuːtəraɪn/                n.输卵管

multiplication        /ˌmʌltɪplɪˈkeɪʃn/             n.增值；乘法

superovulation        /ˈsjʊpərˌovjʊˈleʃən/           n.超数排卵

militate            /ˈmɪlɪteɪt/                 v.有影响；产生作用

二、Sentence Structures and Analysis

1、In the early 1970s, general anaesthesia and laparotomy were necessary for both  recovery, and transfer of bovine embryos, and embryo transfer was used in the UK and North America mainly for the rapid multiplication of imported exotic beef breeds.

2、A reluctance  on the part of the breed associations  to register progeny produced by embryo transfer has partly been responsible for this in the horse, and economic factors, together  with the need for surgery, have militated against  widespread use in pigs, sheep and goats.