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J Korean Soc Environ Eng > Volume 37(1); 2015 > Article
J Korean Soc Environ Eng 2015;37(1): 52-59. doi: https://doi.org/10.4491/KSEE.2015.37.1.52
국내 낙농우(젖소)로부터의 우유생산에 대한 전과정평가
박유성1, 이건모1, 양승학2
1아주대학교 환경공학과
2농촌진흥청 국립축산과학원
Life Cycle Assessment of the Domestic Dairy Cow System
Yoo Sung Park1, Kun Mo Lee1, Seung Hak Yang2
1Environmental Engineering Department, Ajou University
2National Institute of Animal Science, R. D. A.
Corresponding author  Kun Mo Lee ,Tel: 031-219-2405, Fax: 031-215-5145, Email: kunlee@ajou.ac.kr
Received: October 20, 2014;  Revised: December 12, 2014;  Accepted: January 21, 2015.  Published online: January 31, 2015.
ABSTRACT
Recently the dairy cow industry have faced environmental issues such as eutrophication, global warming, etc. An LCA was used to quantify the environmental impact of a dairy cow system and to identify key issues contributing to the impact. The system boundary crop cultivation for feeding dairy cow, feed production, rearing and manure management (cradle-to-gate). The functional unit was 1 kg of milk (fat protein corrected milk, FPCM) produced. Rearing and cultivation of feed crops stages in system boundary to the environmental impact of the domestic dairy cow system were dominant issues. Techniques such as suppression of enteric fermentation, improvement of the energy efficiency of farm equipment and apparatuses, management of leachate generated during the crop cultivation, and development of controling the loss of fertilizer during crop production would be necessary for the improvement of the environmental key issues of the dairy cow system.
Key Words: Life cycle assessment (LCA), Dairy cow, Feed, Milk, Functional unit, Environmental impact
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