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논문 기본 정보

자료유형
학술저널
저자정보
Yoon, Do-Joong (Department of Animal Science, Chungbuk National University) Kim, Gye-Woong (Department of Animal Resources Community, KongJu National University) Kim, Kon-Joong (Department of Animal Resources Community, KongJu National University) Han, James-Bond (Department of Animal Science, Chungbuk National University) Kim, Nam-Hyung (Department of Animal Science, Chungbuk National University) Lee, Jong-Wan (Department of Animal Resources Community, KongJu National University)
저널정보
한국동물번식학회 한국수정란이식학회지 한국수정란이식학회지 제26권 제2호
발행연도
2011.1
수록면
97 - 104 (8page)

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초록· 키워드

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This study was carried out to confirm the effects of luteotrophin, human chorionic gonadotrophin (hCG), and an anti-luteolytic agent, flunixin meglumin (FM), on pregnancy rates in Hanwoo with in vitro produced (IVP) embryo transfers (ET), and to research the effects on the estrus cycle. Treatments included hCG and FM administration 3~10 minutes prior to ET. Also, pregnancy rates were compared with lidocane treatment and FM treatment prior to ET. The results are shown below. 30-day pregnancy rate was 76.7% in the hCG-treated group and 75.7% in the FM-treated group. Both rates were higher than the 70% rate for the control group. 42-day pregnancy rate was 76.7% in the FM-treated group. This was higher than 66.7% recorded for both the hCG-treated and control groups. The pregnancy rate of the hCG-treated group was high at Day 30 (76.7%) but low at Day 40 (66.7%), and there were no differences from the FM-treated and control groups. The recurrent estrus rate of infertile individuals at 2 weeks after ET was 36.4% in the hCG-treated group, under 71.4% in the FM-treated group and 80.0% in the control group. The non-pregnancy rate of individuals without recurrent estrus was 18.2% in the hCG-treated group, which was higher than the 0% rate in both the FM-treated and control groups. The pregnancy rates were higher in the FM-treated group than the Lidocane-treated group with 72.3% versus 67.5% in the heifers and 48.9% versus 43.6% in the cows. From the above results, the FM treatment proved more effective than the hCG treatment and no treatment whatsoever in increasing pregnancy rates after ET. In addition, hCG treatment was shown to be undesirable due to the deviations it caused in the reproductive physiology of the hCG-treated recipients. Therefore, in our study, the FM treatment resulted in a higher pregnancy rate than either lidocaine treatment or no-treatment in the trials of ET.

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