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Hotspots of recent hybridization between pigs and wild boars in Europe.
Iacolina, Laura. (Aalborg University.Department of Chemistry and Bioscience)
Pertoldi, Cino (Aalborg University.Department of Chemistry and Bioscience)
Amills i Eras, Marcel (Universitat Autònoma de Barcelona. Departament de Ciència Animal i dels Aliments)
Kusza, Szilvia (University of Debrecen. Animal Genetics Laboratory)
Megens, Hendrik-Jan (Wageningen University. Animal Breeding and Genomics Centre)
Bâlteanu, Valentin Adrian (Institute of Life Sciences (Cluj-Napoca, Romania))
Bakan, Jana (Technical University of Zvolen, Department of Phytology)
Cubric-Curic, Vlatka. (University of Zagreb.Department of Animal Science)
Oja, Ragne (University of Tartu.Department of Zoology, Institute of Ecology and Earth Sciences)
Saarma, Urmas (University of Tartu.Department of Zoology, Institute of Ecology and Earth Sciences)
Scandura, Massimo (Università degli studi di Sassari. Dipartimento di Scienze per la natura e le risorse ambientali)
Sprem, Nikica (University of Zagreb.Department of Fisheries, Beekeeping, Game Management and Special Zoology)
Stronen, Astrid Vik (University of Ljubljana.Department of Biology)

Fecha: 2018
Resumen: After a strong demographic decline before World War II, wild boar populations are expanding and the species is now the second-most abundant ungulate in Europe. This increase raises concerns due to wild boar impact on crops and natural ecosystems and as potential vector of diseases. Additionally, wild boar can hybridize with domestic pigs, which could increase health risks and alter wild boar adaptive potential. We analysed 47,148 Single Nucleotide Polymorphisms in wild boar from Europe (292) and the Near East (16), and commercial (44) and local (255) pig breeds, to discern patterns of hybridization across Europe. We identifed 33 wild boars with more than 10% domestic ancestry in their genome, mostly concentrated in Austria, Bosnia and Herzegovina, Bulgaria and Serbia. This diference is probably due to contrasting practices, with free-ranging vs. industrial farming but more samples would be needed to investigate larger geographic patterns. Our results suggest hybridization has occurred over a long period and is still ongoing, as we observed recent hybrids. Although wild and domestic populations have maintained their genetic distinctiveness, potential health threats raise concerns and require implementation of management actions and farming practices aimed at reducing contact between wild and domestic pigs.
Derechos: Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original. Creative Commons
Lengua: Anglès.
Documento: article ; recerca ; publishedVersion
Publicado en: Scientific Reports, Vol. 8 (2018) , art. 17372, ISSN 2045-2322

DOI: 10.1038/s41598-018-35865-8
PMID: 30478374


10 p, 1.8 MB

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 Registro creado el 2019-06-18, última modificación el 2019-08-16



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