期刊
JOURNAL OF INTEGRATIVE AGRICULTURE
卷 14, 期 2, 页码 234-240出版社
ELSEVIER SCI LTD
DOI: 10.1016/S2095-3119(14)60891-1
关键词
cultured meat; in vitro; environmental degradation; livestock products; greenhouse gas (GHG)
资金
- National Natural Science Foundation of China [31060221]
- program for China Agriculture Research System from Ministry of Agriculture of China [CARS-38]
To deal with concerns in China about environmental degradation and a growth in population accompanied by increased consumption of livestock products, a meat alternative is required. This study compared the environmental impacts of producing different protein sources for nutrition, including crops, livestock products, and cultured meat. The results showed that cultured meat has the lowest land use per unit of protein and unit of human digestible energy. China's crops have the lowest energy use and greenhouse gas (GHG) emissions per unit of energy and protein. The energy use in cultured meat production is slightly higher than that of current pork production in China, whereas GHG emissions are lower. It is concluded that the overall impact of replacing livestock products with cultured meat would be beneficial for China's environment and would potentially improve food security because less land is needed to produce the same amount of protein and energy.
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