A cow like that give 5,000 liters a day, by Maria Primachenko, 1978 (via Wikipaintings).
Tara Garnet, of the Food Climate Research Network (FCRN), at Oxford University, recently highlighted a paper published recently in the Proceedings of the National Academy of Sciences (PNAS). The paper, Biomass use, production, feed efﬁciencies, and greenhouse gas emissions from global livestock systems, is written by livestock scientists at the International Livestock Research Institute (ILRI, Kenya) and the Commonwealth Scientific and Industrial Research Organisation (CSIRO, Australia).
‘This paper provides a detailed analysis of ‘livestock ecosystems’ in different parts of the world and presents a high-resolution dataset of biomass use, production, feed efficiencies, and greenhouse gas emissions by global livestock. The research shows vast differences in animal diets and emissions, one example being that animals in low-income countries require far more food to produce a kilo of protein than animals in wealthy countries. The…
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