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Estimation of Water Footprint for Livestock Products in Korea

한국의 축산물 물발자국 산정

  • Lee, Sang-Hyun (Research Institute for Agriculture & Life Sciences, Seoul National University) ;
  • Choi, Jin-Yong (Department of Rural Systems Engineering, and Research Institute for Agriculture & Life Sciences, Seoul National University) ;
  • Yoo, Seung-Hwan (Department of Agricultural and Biological Engineering, Purdue University) ;
  • Kim, Young Deuk (Rural Research Institute, Korea Rural Community Corporation) ;
  • Shin, Ankook (Rural Research Institute, Korea Rural Community Corporation)
  • Received : 2015.01.05
  • Accepted : 2015.03.10
  • Published : 2015.03.31

Abstract

Since the consumption of the livestock products increased for the past 10 years in Korea, the water use for live animals has become more important in terms of water savings. Therefore, the index connecting water use and livestock products consumption should be required for sustainable water management, and water footprint concept could be suggested as the index. The aim of this study is to estimate the water footprint for livestock products; beef cattle, swine, and broiler chicken. The water footprint for livestock products is divided into direct and indirect water. The direct water includes the drinking and servicing water, and the indirect water includes the water for the cultivation of feed crops. The water footprint of beef cattle was calculated to $17,023.1m^3/ton$, and direct water was $91.2m^3/ton$, and indirect water was $16,931.9m^3/ton$. The water footprint of swine was calculated to $4,235.8m^3/ton$, and direct water was $129.7m^3/ton$, and indirect water was $4,106.0m^3/ton$. The water footprint of broiler chicken was calculated to $2,427.7m^3/ton$, and direct water was $7.6m^3/ton$, and indirect water was $2,420.1m^3/ton$. Also, we compared the water footprint to water demand of water vision 2020 which is the main report for national water management. The water vision 2020 reported only direct water for live animal, but the water footprint includes the direct and indirect water. Therefore, the water footprint could be applied to various fields relating water and food.

Acknowledgement

Supported by : 한국농어촌공사 농어촌연구원

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