Biomass use, production, feed efficiencies, and greenhouse gas emissions from global livestock systems

Herrero, Mario and Havlík, Petr and Valin, Hugo and Notenbaert, An and Rufino, Mariana C. and Thornton, Philip K. and Blümmel, Michael and Weiss, Franz and Grace, Delia and Obersteiner, Michael (2013) Biomass use, production, feed efficiencies, and greenhouse gas emissions from global livestock systems. Proceedings of the National Academy of Sciences of the United States of America, 110 (52). pp. 20888-20893. ISSN 0027-8424

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Abstract

We present a unique, biologically consistent, spatially disaggregated global livestock dataset containing information on biomass use, production, feed efficiency, excretion, and greenhouse gas emissions for 28 regions, 8 livestock production systems, 4 animal species (cattle, small ruminants, pigs, and poultry), and 3 livestock products (milk, meat, and eggs). The dataset contains over 50 new global maps containing high-resolution information for understanding the multiple roles (biophysical, economic, social) that livestock can play in different parts of the world. The dataset highlights: (i) feed efficiency as a key driver of productivity, resource use, and greenhouse gas emission intensities, with vast differences between production systems and animal products; (ii) the importance of grasslands as a global resource, supplying almost 50% of biomass for animals while continuing to be at the epicentre of land conversion processes; and (iii) the importance of mixed crop-livestock systems, producing the greater part of animal production (over 60%) in both the developed and the developing world. These data provide critical information for developing targeted, sustainable solutions for the livestock sector and its widely ranging contribution to the global food system.

Item Type:
Journal Article
Journal or Publication Title:
Proceedings of the National Academy of Sciences of the United States of America
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/1000
Subjects:
?? GHG EMISSIONSGLOBAL CHANGELAND USESUSTAINABILITYGENERAL ??
ID Code:
86530
Deposited By:
Deposited On:
31 May 2017 09:14
Refereed?:
Yes
Published?:
Published
Last Modified:
19 Sep 2023 01:45