The effects of testosterone on a viral infection in greenfinches (Carduelis chloris): an experimental test of the immunocompetence-handicap hypothesis

• The immunocompetence-handicap hypothesis suggests that the honesty of quality signals could be guaranteed if testosterone (T) suppresses immune function while enhancing male ornaments. In addition, it has been proposed that the cost of enhancing ornaments

Nyckelord

viral infections; greenfinches; testosterone; immunocompetence; sexual selection; GONADAL-STEROIDS; SEXUAL SELECTION; HIRUNDO-RUSTICA; OCKELBO VIRUS; IMMUNE-SYSTEM; SINDBIS VIRUS; BARN SWALLOW; PARASITES; EUROPE

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