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. 2022 Jan 20;14(3):805–827. doi: 10.1007/s12571-021-01246-9

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Fig. 5 — Average essential amino acid concentrations as percentages of protein for major sources of terrestrial and aquatic meat protein (source: USDA, 2021). Legend: C = chicken; P = pig; B = beef cattle; S = sheep; G = goats; M = milk; E = eggs; WF = wild (captured fish); AF = aquacultured fish; WC = crustaceans from capture fisheries; AC = aquacultured crustaceans; MO = molluscs from capture fisheries and aquaculture