Article
Preliminary observations on reproduction in a female sheep-goat chimaera.
The Veterinary record - 23 Nov 1991
Anderson G B, Ruffing N A, BonDurant R H, Pashen R L
Abstract excerpt
Four oestrous cycles of a female sheep-goat chimaera were monitored by using a vasectomised ram. The mean (+/- se) length of the cycle was 18.5 +/- 0.64 days with a range from 17 to 20 days. The chimaera was superovulated twice, bred to fertile rams, and the embryos recovered by laparotomy 13 or five days after oestrus, so that karyotype analysis could reveal the genotype of the oocyte. After the first...
Topics
- Animals
- Chimera
- Embryo Transfer
- Estrus
- Female
- Genotype
- Goats
- Oocytes
- Pregnancy
- Reproduction
- Sheep
- Superovulation
- Time Factors