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다양한 Percoll 세척 방법이 동결-융해된 한우 정자의 회수율 및 운동역학에 미치는 영향
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  • 다양한 Percoll 세척 방법이 동결-융해된 한우 정자의 회수율 및 운동역학에 미치는 영향
저자명
윤성재,박유진,정진용,정규현,김민섭,유새미,김연희,권우성,방명걸,Yoon. Sung-Jae,Park. Yoo-Jin,Cheong. Jin-Yong,Jeong. Kyu-Hyun,Kim. Min-Seop,Yoo. Sae-Mi,Kim.
간행물명
Reproductive & developmental biology
권/호정보
2011년|35권 1호|pp.61-65 (5 pages)
발행정보
한국동물번식학회
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

The objective of this study was to examine the effect of various discontinuous Percoll washing conditions on motile sperm recovery rate and motion kinematics. Frozen semen samples from 3 bulls (0.5 ml plastic straws, 6% glycerol in egg yolk-Tris-glycerol extender) were thawed in $37^{circ}C$ water bath for 1 min. After thawing, the mixed semen samples were randomly allocated to 12 treatment groups. Briefly, the spermatozoa were centrifuged for three different time lengths (10, 20, and 30 min) at two gravities ($300{ imes}g$ and $700{ imes}g$) through two concentrations of discontinuous Percoll density gradient of 1 ml 90%: 1 ml 45% Percoll and 2 ml 90%: 2 ml 45% Percoll to remove extender, debris, and dead spermatozoa. Motile sperm recovery rate and motion kinematics were evaluated by computer assisted sperm analyzer using Makler counting chamber. Sperm motility (%) and motile sperm recovery rate showed similar pattern in all treatment groups. However, sperm motility (%) and motile sperm recovery rate were highest at $700{ imes}g$ for 30 min through a discontionous Percoll density gradient of 1 ml 90%: 1 ml 45% Percoll. There were no significant differences in motion kinematics after various Percoll washings. These results suggest that force of centrifugation, centrifugation time, and Percoll volume significantly affect motile sperm recovery rate.