Parental morph combination does not influence innate immune function in nestlings of a colour-polymorphic African raptor.

Instead, for the hemagglutination titre, we found a marginally significant positive association with body mass index, albeit effect sizes were small (estimate = 0.003, SE = 0.002, N df=1,172 = 179, χ 2 = 3.94, P = 0.047, Fig. 3 ); indicating higher hemagglutination levels for nestlings in better condition.

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