For evaluating the boar semen quality, sperm motility is an important parameter because the movement of sperm indicates active metabolism, membrane integrity and fertilizing capacity. Phospholipase C zeta (PLCz) is important enzyme in spermatogenesis, but the effect has not been confirmed in pigs yet. Therefore, this study was aimed to analyze their association with sperm motility and kinematic characteristics. DNA samples from 124 Duroc pigs with records of sperm motility and kinematic characteristics [total motile spermatozoa (MOT), curvilinear velocity (VCL), straight-line velocity (VSL), the ratio between VSL and VCL (LIN), amplitude of lateral head displacement (ALH)] were subjected. A SNP in non-coding region of PLCz g.158 A > C was associated with MOT (p < 0.05), VCL (p < 0.01), LIN (p < 0.01) and ALH (p < 0.05) in Duroc population. Therefore, we suggest that the intron region of the porcine PLCz gene may be used as a molecular marker for Duroc boar semen quality, although its functional effect was not defined yet. Whether the association is due to the candidate gene or not require further verification. Thus, it will be of interest to continue association studies in the regions surrounding those genes.

서 론
 재료 및 방법
  정액 채취
  정자 운동학적 특성 분석
  Direct sequencing 및 유전자형 분석
  통계 분석
 결과 및 고찰
 REFERENCES

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• 정진영(농촌진흥청 국립축산과학원) | Jin-Young Jeong
• 사수진(농촌진흥청 국립축산과학원) | Soo-Jin Sa
• 김기현(농촌진흥청 국립축산과학원) | Ki-Hyun Kim
• 조은석(농촌진흥청 국립축산과학원) | Eun-Seok Cho
• 유동조(농촌진흥청 국립축산과학원) | Dong-Jo Yu
• 박성권(세종대학교 생명과학대학 식품생명공학과) | Sungk-won Park
• 장현준(단국대학교 약학대학) | Hyun-Jun Jang
• 우제석(농촌진흥청 국립축산과학원) | Jae-Seok Woo Correspondence
• 최정우(강원대학교 동물생명과학대학) | Jung-Woo Choi Correspondence