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Number of mates and timing of mating affect offspring growth in the small marsupial Antechinus agilis

Fisher, Diana; Double, Michael; Moore, Ben

Description

Many fitness benefits of polyandry have been proposed. We addressed four hypotheses that are relevant to the agile antechinus, Antechinus agilis, a highly promiscuous marsupial: polyandry (1) involves females 'trading up' to obtain good genes for offspring; (2) promotes sperm competition/sperm choice to obtain good genes; (3) enables females to avoid genetically incompatible gene combinations (specifically inbreeding); or (4) enables females to avoid infertility. We tested the predictions of...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
URI: http://hdl.handle.net/1885/84511
Source: Animal Behaviour
DOI: 10.1016/j.anbehav.2005.03.041

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