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Rinder - A couple of cows that are standing in the grass
Summary
中文：家牛，来自德语维基 (網址: http://www.ars.usda.gov/is/graphics/photos/k7686-7.htm)
English: Original description: Dryland grazing on the Great Plains in Colorado. Each cow on a pasture can emit about 350 liters (230 grams) of methane per day.
Deutsch: Hausrinder
Date
2016
Source
United States Agricultural Research Service
Copyright info
public domain
