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Fig. 2. Allometric plots of the acyl composition of skeletal muscle phospholipids
of birds. (A) Unsaturation index, UI (total number of double bonds per 100
acyl chains), (B) unsaturated acyl chains, UFA (C) polyunsaturated (PUFA; open
circles) and mono-unsaturated (MUFA; closed circles) acyl chains, and (D)
n-6 (closed circles) and n-3 (open circles) polyunsaturated
acyl chains. Values are means ± S.E.M. N=4 for all values with
error bars; NS, not significant. M, body mass.