Beatrice Voegeli, Verena Saladin, Michèle Wegmann and Heinz Richner Heterozygosity is linked to the costs of immunity in nestling great tits (Parus major) Ecology and Evolution 3
In this study, we manipulated growth conditions of nestling great tits by manipulating brood size and prevalence of a common ectoparasite. We separately analyzed effects of heterozygosity of neutral markers and of functional markers. We show that the detection and strength of HFCs depends on parasite abundance, but not brood size manipulation, and that neutral heterozygosity is related to the costs of the increased investments in immunity under parasite pressure.
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