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Cited by 19Genetic and phenotypic traits in livestockGenetic diversity and population structureHuman-Animal Interaction Studies

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Population Structure Analysis of the Border Collie Dog Breed in Hungary

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Ács, Virág, Bokor, Árpád, Nagy, István·2019·Animals
DOI 10.3390/ani9050250PMC PMC6562970
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Abstract

Pedigree data of the Border Collie dog breed were collected in Hungary to examine genetic diversity within the breed and its different lines. The database was based on available herd books dating from the development of the breed (in the late 1800s) to the present day. The constructed pedigree file consisted of 13,339 individuals, of which 1566 dogs (born between 2010 and 2016) composed the alive reference population which was active from breeding perspective. The breed is subdivided by phenotype, showing a thicker coat, harmonic movement, a wide skull, and heavier bones for the show type, and a thinner or sometimes short coat and smaller body for the working line, while the mixed line is quite heterogeneous (a combination of the above). Thus, the reference population was dissected according to the existing lines. The number of founders was 894, but eight individuals were responsible for contributing 50% of the genetic variability. The reference population had a pedigree completeness of 99.6% up to 15 generations and an inbreeding coefficient of 9.86%. Due to the changing breed standards and the requirements of the potential buyers, the effective population size substantially decreased between 2010 and 2016. Generation intervals varied between 4.09 and 4.71 years, where the sire paths were longer due to the later initial age of breeding in males compared to females. Genetic differences among the existing lines calculated by fixation indices are not significant; nonetheless ancestral inbreeding coefficients are able to show contrasts.

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Figure 1 Effective population size (Ne) of the reference population.
Figure 1 Effective population size (Ne) of the reference population.CC BY · PubMed Central
Figure 2 Association between inbreeding coefficient and complete generation equivalents in the total population. F: inbreeding coefficient; Gen_eq: number of complete generation equivalents.
Figure 2 Association between inbreeding coefficient and complete generation equivalents in the total population. F: inbreeding coefficient; Gen_eq: number of complete generation equivalents.CC BY · PubMed Central
Figure 3 The inbreeding coefficients of the different lines depending on the total generation equivalent, where F is the inbreeding coefficient of an individual and GenEqu is the number of complete generation equivalents. Show line, Mixed line, Working line, Total population.
Figure 3 The inbreeding coefficients of the different lines depending on the total generation equivalent, where F is the inbreeding coefficient of an individual and GenEqu is the number of complete generation equivalents. Show line, Mixed line, Working line, Total population.CC BY · PubMed Central

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Research works printed but not linked: 22

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Metadata

Authors
Ács, V., Bokor, Á., & Nagy, I.
Affiliations
University of Kaposvár (HU)
Corresponding author
Ács, Virág
ORCID
Venue
Animals
Publisher
MDPI AG
Published
2019-05-16
Volume
9
Issue
5
Pages
250
ISSN
2076-2615 (ISSN-L)
DOI
10.3390/ani9050250
PMC
PMC6562970
OpenAlex
W2939546222
Cited by
19
References
0
Citations by year
2026: 1 · 2025: 1 · 2024: 4 · 2023: 2 · 2022: 3 · 2021: 2 · 2020: 6
FWCI
1.66
Type
journal article
Language
en
Open access
Licence
Locations
  • Animals (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Országos Tudományos Kutatási Alapprogramok (128177)
  • National Excellence Program of the Ministry of Human Capacities (ÚNKP-18-3)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic and phenotypic traits in livestock
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic diversity and population structure
  • Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Human-Animal Interaction Studies
Keywords
Border Collie, dog breeds, population structure, genetic diversity, pedigree analysis, founder effect, inbreeding coefficient, effective population size, generation interval

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