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논문 기본 정보

자료유형
학술저널
저자정보
조성근 (경상대학교 축산과학부)
저널정보
한국동물번식학회 한국수정란이식학회지 한국수정란이식학회지 제14권 제2호
발행연도
1999.1
수록면
121 - 129 (9page)

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초록· 키워드

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The objective of this study was to produce calves by transfer of embryos derived from slaughter house(SHD) and ultrasound-guided ovum pick-up (OPU). At 60 hrs after injection of 400 mg FSH dissolved in 25% polyvinylpyrrolidone(PVP) by single dose, ultrasound-guided follicular oocyte aspiration was ferformed. Day-7 and day-8 blastocysts produced by in vitro maturation (IVM), fertilization (IVF) and culture(IVC) of the oocytes derived from SHD and OPU were nonsurgically transferred into recipients. The results obtained were as follows. The cleavage rate and the development rate to blastocysts were not significantly (P<0.05) different between the oocytes obtained by SHD (72.9% vs. 34.1%) and OPU (75.9% vs. 38.4%). The oocyte recovery rate from the number of follicles by ultrasound-guided aspiration were not significantly (P<0.05) different between Holstein (61.7%) and Hanwoo (60.1%), but the rate of oocytes useful for IVF was significantly (P<0.05) higher in Hanwoo (69.3%) than Holstein (59.6%). The cleavage rate and the development rate to blastocysts was not significantly (P<0.05) different between Holstein (74.9% vs. 39.2%) and recipients on day 8 of estrus cycle resulted in 13 pregnancies (34.2%). One of them was sacrificed during gestation period due to mastitis and another was aborted spontaneous. The resulting 14 calves were morphologically normal at birth. Seventy eight fresh OPU-IVF embryos were transferred into 21 recipients on day 8 of estrus cycles, resulting in pregnancy of 12 recipients (41.4%). Two of them were sacrificed during gestation period due to mastitis and the other two were aborted. Nevertheless, the 11 OPU-calves have been born normally.

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