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. 2013 Dec 16;110(52):20888–20893. doi: 10.1073/pnas.1308149110

Fig. 1.

Fig. 1.

Global production of meat and milk from ruminants by region and production system. LGA. livestock grazing arid; LGH, livestock grazing humid; LGT, livestock grazing temperate; MXA, mixed arid; MXH, mixed humid; MXT, mixed temperate; OTHER, other systems; URBAN, urban systems.