한우 미경산우에 있어서 인공수정 및 복제수정란 이식시 hCG 투여에 의한 수태율 향상
(주)코리아스칼라
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서지정보
ㆍ발행기관 : 한국수정란이식학회
ㆍ수록지정보 : Journal of Embryo Transfer / 17권 / 3호
ㆍ저자명 : 최선호, 성환후, 장유민, 최재혁, 임기순, 양병철, 연성흠, 이장희, 류일선
한국어 초록
본 연구는 한우미경산우에 인공수정 7일째와 복제수정란 이식시 hCG를 투여에 의해 수태율 향상을 위하여 실시하였다 인공수정 후 임신 60일째에 임신감정을 실시한 결과 대조구, CIDR 그리고 hCG를 투여한 결과 53%, 46%, 71%였으며, 처리간에 유의적인 차이를 보였다(P<0.05). 복제수정 란의 이식시 hCG를 투여한 결과 대조구, hCG투여구는 각각 5.8%, 10.4%를 나타냈으며, 유의차는 인정되지 않았다. 인공수정 7일째에 hCG를 투
영어 초록
This study was performed to investigate the improvement of the pregnancy rate of Al or clone embryo transfer on hCG administration in Korean Native heifer. A total of 42 heifers were treated with control, CIDR(withou E2 capsule). hCG after 7 day of hi, the pregnancy rate were spewed 53, 46, 71%. These results were significant different among the treatments(P<0.05). When the hCG were adminstrated at cloned embryo transfer, pregnanacy rate were control, hCG 5.8%, 10.4% respectively and there was no significant different between treatments. Plasma P4 concentration of hCG treatment in heifers were 3 times higher than control on 13~16 day after heat. After this, plasma P4 concentration of CIDR and hCG treated heifers were kept the 2~3 times levels. IGF-I concentration were showed no differences between pregnancy and non-pregnancy. hOG and CIDR. IGF-II concentration were revealed the differences between pregnancy and non-pregnancy in CIDR group but there was no differences in hCG administration group. Plasma cortisol were high at heat and 16 day after heat and CIDR treated group was higher than the other group. These results suggest that hCG administration was improve the pregnancy rates on Al and cloned ET, accompanying the incline of P4 concentration.
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