由于缺乏动物识别、记录和评价计划，因而人工授精技术通常用于与进口种质资源的杂交，而并非当地的优良遗传资源。
AI is usually used for crossbreeding with imported germplasm rather than for superior local genetics, due to the paucity of animal identification, recording and evaluation programmes.
调查结果表明，主要的影响因素有：人工授精技术、推广经费问题、饲料与饲养管理技术、肉牛销售与市场、肉牛屠宰加工技术等等。
The results showed that main factors were artificial breeding skill, cost, ration and feeding skill, labor difficulty, live beef market, butcher skill, etc.
比如人工授精和体外受精，近来的生育技术进步使女性的总收入相对于男性增加了。
Recent technological advances in reproduction, such as artificial insemination and in vitro fertilization, have increased the full income of women relative to men.
家蚕人工授精已是较为成熟的技术，而家蚕生殖细胞的冷冻保存在特定基因的长期保存等方面具有重要意义。
Artificial insemination of silkworm have been succeed in research, and the cryopreservation of its germ cell have important significance in long-term conservation of the given gene.
通过采用增多排卵、人工授精和胚胎移植技术，农民可以使每母牛产崽数增加两倍多。
By employing the techniques of super-ovulation, artificial insemination, and embryo transfer, farmers can more than triple the number of offspring produced by a single cow per year.
通过采用增多排卵、人工授精和胚胎移植技术，农民可以使每母牛产崽数增加两倍多。
By employing the techniques of super-ovulation, artificial insemination, and embryo transfer, farmers can more than triple the number of offspring produced by a single cow per year.
应用推荐