Population structure and genetic characterization of two native Danish sheep breeds
| Autor: | Vivi Hunnicke Nielsen, Bernt Guldbrandtsen, B. D. Szekeres, Anna A. Schönherz |
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| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: |
Ovis aries
INBREEDING DEPRESSION SELECTION 040301 veterinary sciences RESOURCES animal diseases Population structure CONSERVATION DIVERSITY Biology 0403 veterinary science Danish genomic Food Animals Genetic resources parasitic diseases origin Genetic diversity Ecology business.industry native Danish breeds 0402 animal and dairy science population structure 04 agricultural and veterinary sciences 040201 dairy & animal science language.human_language REDUCTION language Local environment Animal Science and Zoology Livestock business human activities |
| Zdroj: | Schonherz, A A, Szekeres, B D, Nielsen, V H & Guldbrandtsen, B 2020, ' Population structure and genetic characterization of two native Danish sheep breeds ', Acta Agriculturae Scandinavica, Section A-Animal Science, vol. 69, no. 1-2, pp. 53-67 . https://doi.org/10.1080/09064702.2019.1639804 |
| Popis: | Genetic diversity in livestock animals has become recognized as important genetic resource for future sustainable livestock production. Especially native breeds, adapted to their local environment, are of considerable interest. Here, we report a genome-wide characterization of two native Danish sheep breeds, the Danish Landrace sheep and the Danish White-Headed Marsh sheep. We investigated the genetic diversity both at national and European breed level using a European-derived reference panel. The native Danish breeds are genetically distinct from other Nordic breeds. Their closest relatives are Border Leicester, Galway, and Texel. Apart from gene flow between native Danish breeds, Texel admixture was most dominant. For Danish Landrace sheep, a population split into two genetically distinct sub-populations was detected. Compared to other livestock species, genomic inbreeding was moderate. However, among European-derived sheep the native Danish breeds were among the 10 most inbred investigated, illustrating the need for sustainable management strategies to preserve genetic diversity. |
| Databáze: | OpenAIRE |
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