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손동수 韓國受精卵移植學會 1988 한국동물생명공학회지 Vol.3 No.1
The possibility of embryo transfer technique in pigs to introduce a new genetic material into closed herds for disease control was investigated. The results investigated were as follows: 1. The exhibiting rate of estrus on the administration of altrenogest and PMSG ranged from 83.3 to 100% and the estrus exhibited within 4.0 - 5.3 days after the administration of altrenogest. 2. The average number of ovulation points per pig by the injection of PMSG and HCG were 14.0 - 30.7. 3. The average number of recovered embryos per pig was 15.7, and 72.8% of embryos were recovered. 4. The pregnancy rate of recipients was 63.6% and the survival rate of transferred embryos were 21%. 5. When the 1-cell embryos were cultured for 24hrs, they were all developed. Therefore it is possible to recover and preserve the embryos from the donor pigs which have high genetic ability, and to transfer embryos to recipient pigs which are separated from donor pigs in Korea.
손동수,김종대,조창연,진현주,연성흠,최창용,최선호,김현종,한만희,김영근 한국임상수의학회 2006 한국임상수의학회지 Vol.23 No.3
A probable case of superfetation in a Korean native cow met in a small farm located in Imsil Gun, Chonbuk.The cow delivered twice a living male and female calves in September 4 and December 9, 2004, respectively. Thus,we determined whether this case is a case of superfetation using parentage testing technique. The parentage testingwas carried out for a dam and two calves using microsatellite DNA and blood typing. As the calves had at leastone of the alleles on all marker tested that existed in dam, it was estimated that both of the calves were ofspringsof the cow, and that they came from superfetation.