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Sundman, Ann-SofieLinköpings universitet,Biologi,Tekniska fakulteten
(author)
Similar recent selection criteria associated with different behavioural effects in two dog breeds
- Article/chapterEnglish2016
Publisher, publication year, extent ...
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2016-09-09
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Wiley-Blackwell Publishing Inc.2016
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electronicrdacarrier
Numbers
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LIBRIS-ID:oai:DiVA.org:liu-132746
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https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-132746URI
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https://doi.org/10.1111/gbb.12317DOI
Supplementary language notes
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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Funding agencies: research council, Formas; Advanced Research Grant from the European Research Council (ERC) [322206]
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Selection during the last decades has split some established dog breeds into morphologically and behaviourally divergent types. These breed splits are interesting models for behaviour genetics since selection has often been for few and well-defined behavioural traits. The aim of this study was to explore behavioural differences between selection lines in golden and Labrador retriever, in both of which a split between a common type (pet and conformation) and a field type (hunting) has occurred. We hypothesized that the behavioural profiles of the types would be similar in both breeds. Pedigree data and results from a standardized behavioural test from 902 goldens (698 common and 204 field) and 1672 Labradors (1023 and 649) were analysed. Principal component analysis revealed six behavioural components: curiosity, play interest, chase proneness, social curiosity, social greeting and threat display. Breed and type affected all components, but interestingly there was an interaction between breed and type for most components. For example, in Labradors the common type had higher curiosity than the field type (F1,1668 = 18.359; P < 0.001), while the opposite was found in goldens (F1,897 = 65.201; P < 0.001). Heritability estimates showed considerable genetic contributions to the behavioural variations in both breeds, but different heritabilities between the types within breeds was also found, suggesting different selection pressures. In conclusion, in spite of similar genetic origin and similar recent selection criteria, types behave differently in the breeds. This suggests that the genetic architecture related to behaviour differs between the breeds.
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Johnsson, MartinLinköpings universitet,Biologi,Tekniska fakulteten(Swepub:liu)marjo79
(author)
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Wright, DominicLinköpings universitet,Biologi,Tekniska fakulteten(Swepub:liu)domwr72
(author)
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Jensen, PerLinköpings universitet,Biologi,Tekniska fakulteten(Swepub:liu)perje15
(author)
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Linköpings universitetBiologi
(creator_code:org_t)
Related titles
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In:Genes, Brain and Behavior: Wiley-Blackwell Publishing Inc.15:8, s. 750-7561601-18481601-183X
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