Relatedness and age reduce aggressive male interactions over mating in domestic fowl

Charlotte Roshera, Anna Favati, Rebecca Dean and Hanne Løvlie

Behavioral Ecology, 2017, vol. 28, issue 3, 760-766

Abstract: Lay Summary We show that in domestic fowl male–male aggression over mating is lower among related compared to unrelated males, and in older males. We experimentally explored factors affecting male interruption of competitor males’ copulations by producing groups of related and unrelated males, and with either young (ca 2 years) or old (ca 6 years) dominant males. This allowed us to test the potential for kin selection and whether male age mediates the magnitude of kin tolerance.Twitter: @dr_lovlie

Keywords: aggression; chicken; gallus gallus; intra-sexual selection; kin recognition; relatedness. (search for similar items in EconPapers)
Date: 2017
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