Mating system of the Eurasian badger, Meles meles, in a high density population

Carpenter, PJ, Pope, LC, Greig, C, Dawson, DA, Rogers, LM, Erven, K, Wilson, GJ, Delahay, RJ, Cheeseman, CL and Burke, T (2005) Mating system of the Eurasian badger, Meles meles, in a high density population. Molecular Ecology, 14 1: 273-284. doi:10.1111/j.1365-294X.2004.02401.x

Author Carpenter, PJ
Pope, LC
Greig, C
Dawson, DA
Rogers, LM
Erven, K
Wilson, GJ
Delahay, RJ
Cheeseman, CL
Burke, T
Title Mating system of the Eurasian badger, Meles meles, in a high density population
Journal name Molecular Ecology   Check publisher's open access policy
ISSN 0962-1083
Publication date 2005-01-01
Year available 2005
Sub-type Article (original research)
DOI 10.1111/j.1365-294X.2004.02401.x
Open Access Status
Volume 14
Issue 1
Start page 273
End page 284
Total pages 12
Place of publication OXFORD
Language eng
Abstract Badgers are facultatively social, forming large groups at high density. Group-living appears to have high reproductive costs for females, and may lead to increased levels of inbreeding. The extent of female competition for reproduction has been estimated from field data, but knowledge of male reproductive success and the extent of extra-group paternity remains limited. Combining field data with genetic data (16 microsatellite loci), we studied the mating system of 10 badger social groups across 14 years in a high-density population. From 923 badgers, including 425 cubs, we were able to assign maternity to 307 cubs, with both parents assigned to 199 cubs (47%) with 80% confidence, and 14% with 95% confidence. Age had a significant effect on the probability of reproduction, seemingly as a result of a deficit of individuals aged two years and greater than eight years attaining parentage. We estimate that approximately 30% of the female population successfully reproduced in any given year, with a similar proportion of the male population gaining paternity across the same area. While it was known there was a cost to female reproduction in high density populations, it appears that males suffer similar, but not greater, costs. Roughly half of assigned paternity was attributed to extra-group males, the majority of which were from neighbouring social groups. Few successful matings occurred between individuals born in the same social group (22%). The high rate of extra-group mating, previously unquantified, may help reduce inbreeding, potentially making philopatry a less costly strategy.
Keyword badger
DNA profile
mating systems
Dispersion Hypothesis Explain
Life-History Traits
European Badger
Resource Dispersion
Reproductive Strategies
Breeding Success
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: ResearcherID Downloads - Archived
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