搜索结果: 1-1 共查到“农学 in vitro production”相关记录1条 . 查询时间(0.104 秒)
In vitro production of embryos from high performance cows and the development of frozen-thawed embryos after transfer: a field study
cattle in vitro embryos cryopreservation
2015/3/17
In this field study, embryos were derived from genetically highly valuable cows excluded from breeding due to reproductive disorders. Cows, 5 to 10 years old, of Czech Siemmental, Holstein Dairy and B...