In this study, the main odorous substances were selected for each swine facility by investigating the concentration and occurrence characteristics of odorous substances according to farm facilities. The objective was to find a solution to manage odor effectively in swine farms. Samples collected from the boundary site, manure storage, fan, and indoor the swine building were analyzed for concentration, odor activity value (OAV), and odor contribution. As a result, there was a difference in the concentration of odorous substances as well as the tendency of OAV in each swine facility. Also, the main substances of odor in the farms were similar, but odor contribution differed from facility to facility. Therefore, it is considered that the odor management efficiency will be improved only if the proper odor reduction method is applied according to the types of main odorous substances in swine facilities.

Abstract
1. 서 론
2. 연구내용 및 방법
    2.1 조사 농장
    2.2 악취 물질 분석
    2.3 악취측정결과의 통계 처리
3. 결 과
    3.1 복합악취 측정결과
    3.2 지정·비지정악취 물질의 측정 결과
    3.3 악취 활동도 및 기여도 평가
4. 결 론
References

• 장유나(농촌진흥청 국립축산과학원 축산환경과) | Yu Na Jang (Animal Environment Division, National Institute of Animal Science, Rural Development Administration)
• 조광곤(농촌진흥청 국립축산과학원 축산환경과) | Gwang Gon Jo (Animal Environment Division, National Institute of Animal Science, Rural Development Administration)
• 서시영(농촌진흥청 국립축산과학원 축산환경과) | Si Young Seo (Animal Environment Division, National Institute of Animal Science, Rural Development Administration)
• 정민웅(농촌진흥청 국립축산과학원 축산환경과) | Min Woong Jung (Animal Environment Division, National Institute of Animal Science, Rural Development Administration) Corresponding author