PEG 융해 FSH 투여방법에 따른 소 과배란 유기 및 수정란이식 효율
(주)코리아스칼라
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서지정보
ㆍ발행기관 : 한국수정란이식학회
ㆍ수록지정보 : Journal of Embryo Transfer / 17권 / 1호
ㆍ저자명 : 최상용, 최수호, 박용수, 조상래, 강태영
한국어 초록
본 실험에서는 한우에 있어서 PEG를 이용한 FSH의 투여 방법에 따른 과배란 유기 방법 및 수정란 이식의 효율을 조사하였다. 과배란 처리는 대조구를 포함하여 네 그룹으로 나누어 비교 실험하였으며, 대조구는 12시간 간격으로 1일 2회, 4일간 50 mg의 FSH를 근육주사, 처리구 1은 30% PEG에 용해시킨 400 mg의 FSH를 1회 피하주사, 처리구 2는 30% PEG에 용해시킨 200 mg의 FSH를 1회 피하주사, 그리고 처리구 3은 30%
영어 초록
This study was carried out to assess the effect of superovulation response and quality of embryos recovered from donor cows after a single subcutaneous injection of FSH dissolved in polyethylene glycol (PEG). Cows were allocated into control and 3 experimental treatment groups. In control, cows were injected intramuscularly 50 mg FSH twice daily for 4 days. Group 1 were injected subcutaneously with a single dose of 400 mg FSH dissolved in 30% PEG solution. Group 2 were injected subcutaneously with a single dose of 200 mg FSH dissolved in 30% PEG solution. Finally in group 3, cows were injected twice 200 mg FSH dissolved in 30% PEG solution by subcutaneous. Superovulation was initiated by injection of FSH between Day 8 and 14 of the estrus cycle (Day 0, the day of estrus), and followed by injection of 25 mg PGF at 48 h after first FSH injection. Cows were then artificially inseminated (AI) with semen twice at 48 and 60 h after PGF injection. At 7 days after the second AI, embryos collected non-surgically by flushing the uterine horns and were counted and compared morphologically as being transferable and degenerated among different superovulation treatments. Furthermore, progesterone and estradiol -17 in plasma were measured by radioimmunoassay following different treatments at given days All cows of treated groups were observed heat. but control group was showed 77.8%. Superovulation response was observed as 77.8, 87.5, 88.9, and 100% in control, Groups 1, 2 and 3 The mean number of corpus lutea (CL) detected in Group 1 were 19.6, which was, respectively significantly (P<0.05) higher than those of other groups (11.1, 13.4 and 7.6, respectively). However, there did not differ on the mean number of total embryos recovered and of transferable embryos between control and treated groups.
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