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Inbreeding as measured by isonymy and by pedigrees in Kippel, Switzerland

1976; Taylor & Francis; Volume: 23; Issue: 2 Linguagem: Inglês

10.1080/19485565.1976.9988221

0037-766X

Walter S. Ellis, John Friedl,

Animal Behavior and Reproduction

Abstract Abstract The relationship between inbreeding as measured by isonymy and by pedigrees was investigated in Kippel, a village in southern Switzerland. Inbreeding estimated by isonymy was 3.5 times the estimate obtained from pedigree analysis. Our results indicate a higher prevalence of lines traced through males owing to social causes. This limited pool of potential mates has a high frequency of shared surnames which produces the overestimate of inbreeding by isonymy.