Similar recent selection criteria associated with different behavioural effects in two dog breeds

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Sundman, Ann-SofieLinköpings universitet,Biologi,Tekniska fakulteten (författare)

Similar recent selection criteria associated with different behavioural effects in two dog breeds

Artikel/kapitelEngelska2016

Förlag, utgivningsår, omfång ...

2016-09-09
Wiley-Blackwell Publishing Inc.2016
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LIBRIS-ID:oai:DiVA.org:liu-132746
https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-132746URI
https://doi.org/10.1111/gbb.12317DOI

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Språk:engelska
Sammanfattning på:engelska

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Funding agencies: research council, Formas; Advanced Research Grant from the European Research Council (ERC) [322206]
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.

Ämnesord och genrebeteckningar

NATURVETENSKAP Biologi Evolutionsbiologi hsv//swe
NATURAL SCIENCES Biological Sciences Evolutionary Biology hsv//eng
NATURVETENSKAP Biologi Zoologi hsv//swe
NATURAL SCIENCES Biological Sciences Zoology hsv//eng
NATURVETENSKAP Biologi Etologi hsv//swe
NATURAL SCIENCES Biological Sciences Behavioural Sciences Biology hsv//eng
NATURVETENSKAP Biologi Genetik hsv//swe
NATURAL SCIENCES Biological Sciences Genetics hsv//eng
Behavioural genetics
behavioural test
dog behaviour
dogs
golden retriever
heritability
Labrador retriever
selection

Biuppslag (personer, institutioner, konferenser, titlar ...)

Johnsson, MartinLinköpings universitet,Biologi,Tekniska fakulteten(Swepub:liu)marjo79 (författare)
Wright, DominicLinköpings universitet,Biologi,Tekniska fakulteten(Swepub:liu)domwr72 (författare)
Jensen, PerLinköpings universitet,Biologi,Tekniska fakulteten(Swepub:liu)perje15 (författare)
Linköpings universitetBiologi (creator_code:org_t)

Sammanhörande titlar

Ingår i:Genes, Brain and Behavior: Wiley-Blackwell Publishing Inc.15:8, s. 750-7561601-18481601-183X

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Genes, Brain and Behavior (Sök värdpublikationen i LIBRIS)

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Av författaren/redakt...: Sundman, Ann-Sof ...; Johnsson, Martin; Wright, Dominic; Jensen, Per

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NATURVETENSKAP: NATURVETENSKAP; och Biologi; och Evolutionsbiolog ...

NATURVETENSKAP: NATURVETENSKAP; och Biologi; och Zoologi

NATURVETENSKAP: NATURVETENSKAP; och Biologi; och Etologi

NATURVETENSKAP: NATURVETENSKAP; och Biologi; och Genetik

Artiklar i publikationen: Genes, Brain and ...

Av lärosätet: Linköpings universitet

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