Effect of Interferon Supplementation on the Motility of Frozen-thawed Spermatozoa and the Pregnancy Rate after Artificial Insemination in Bovine
(주)코리아스칼라
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- 2016.04.01
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서지정보
ㆍ발행기관 : 한국수정란이식학회
ㆍ수록지정보 : Journal of Embryo Transfer / 28권 / 1호
ㆍ저자명 : So-Seob Kim, Yong-Soo Park
영어 초록
The increase in the meat quality and milk production of cows, which breed Korean Native Cow (KNC) and Holstein cow, is not improving reproductive efficiency. In this study, we examined the effect of interferon (IFN) supplementation on motility of frozen-thawed semen and pregnancy rate after artificial insemination of KNC and Holstein cow. In experiment 1, we investigated the effect of IFN-tau concentration (10,000 IU and 20,000 IU) on the percentage of total motility (TM) and progressive motility (PM) of frozen-thawed spermatozoa. In experiment 2, KNC were infused 20,000 IU IFN-tau at insemination or after insemination. In experiment 3, KNC or Holstein cow were inseminated with frozen-thawed semen and infused 20,000 IU IFN-gamma or -tau after insemination. In experiment 1, the average of TM (23.9% to 30.9%) and PM (18.5% to 21.9%) were similar between control and treatments. In experiment 2, the pregnancy rates of IFN infusing times were not different from 45.8% to 53.6%. In experiment 3, the pregnancy rates of Holstein cow infused different kinds of IFN were similar (control, IFN-gamma, IFN-tau; 42.9%, 40.5%, 48.0%). In the case of KNC, however, the pregnancy rate of control was 55.6%, which was significantly lower than that of IFN-gamma (68.9%; p<0.05). Thus, IFN is effective on the improvement of reproductive efficiency, but further study is needed.
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