Birth of a male lamb derived from an in vitro matured oocyte fertilised by intracytoplasmic injection of a single presumptive male sperm

被引:101
作者
Catt, SL [1 ]
Catt, JW [1 ]
Gomez, MC [1 ]
Maxwell, WMC [1 ]
Evans, G [1 ]
机构
[1] ST GEORGE HOSP, KOGARAH, NSW 2217, AUSTRALIA
关键词
D O I
10.1136/vr.139.20.494
中图分类号
S85 [动物医学(兽医学)];
学科分类号
0906 ;
摘要
The developmental competence of in vitro matured ovine oocytes, cytoplasmically injected with single male or female chromosome-bearing sperm, was investigated. Eighty-five unsorted, 92 'female-sorted' and 74 'male-sorted' ram sperm were injected into in vitro matured sheep oocytes and, two to four hours later, placed into the oviducts of 28 oestrous sheep, The sperm were separated according to sex by analysis of their DNA content with a now cytometer. One pregnancy was diagnosed by ultrasound after 55 days and a 3 kg male lamb was born after 150 days gestation, This lamb was derived from an oocyte injected with 'male-sorted' sperm.
引用
收藏
页码:494 / 495
页数:2
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