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Wallner, B., Palmieri, N., Vogl, C., Rigler, D., Bozlak, E., Druml, T., et al. (2017). Y Chromosome Uncovers the Recent Oriental Origin of Modern Stallions. Current Biology, 27(13), 2029–2035.e5.
Abstract: The Y chromosome directly reflects male genealogies, but the extremely low Y chromosome sequence diversity in horses has prevented the reconstruction of stallion genealogies [1, 2]. Here, we resolve the first Y chromosome genealogy of modern horses by screening 1.46 Mb of the male-specific region of the Y chromosome (MSY) in 52 horses from 21 breeds. Based on highly accurate pedigree data, we estimated the de novo mutation rate of the horse MSY and showed that various modern horse Y chromosome lineages split much later than the domestication of the species. Apart from few private northern European haplotypes, all modern horse breeds clustered together in a roughly 700-year-old haplogroup that was transmitted to Europe by the import of Oriental stallions. The Oriental horse group consisted of two major subclades: the Original Arabian lineage and the Turkoman horse lineage. We show that the English Thoroughbred MSY was derived from the Turkoman lineage and that English Thoroughbred sires are largely responsible for the predominance of this haplotype in modern horses.
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Carson, K., & Wood-Gush, D. G. M. (1983). Equine behaviour: I. A review of the literature on social and dam--Foal behaviour. Applied Animal Ethology, 10(3), 165–178.
Abstract: In most cases, the social organisation of each of the seven species of Equidae existing today outside captivity is either territorial or non-territorial. The striking differences found between these two types of organisation in the social grouping and bonds, mating behaviour, leadership and dominance hierarchies of the animals are examined. It is thought that the non-territorial species show a less primitive type of organisation than the territorial animals. Infant Equidae are precocious animals and are able to follow their dams soon after birth. They stay close by their dams and travel with the herd from an early age and are therefore classified as “followers”, in contrast to the species which have a period of hiding after birth. Dams recognise their foals immediately after birth, whereas it takes 2 or 3 days for a foal to form an attachment to its dam. Being in close proximity to their dams, foals are able to nurse frequently and, unless artificially weaned, a foal will nurse until its dam foals again. Foals start to graze during their first week and as they grow older they spend more time grazing and less time nursing and resting. It is normal for foals to be corprophagic until one month old, and this provides them with bacteria essential for the digestion of fibre. Play behaviour is solitary in very young foals, but after 4 weeks of age, foals play together, with male foals playing more than females and showing more aggressive, fighting movements in play.
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Freitas, J., Lagos, L., & Álvares, F. (2021). Horses as prey of wolves. CDPnews, 23, 1–9.
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Lagos, L. (2013). Ecología del lobo (Canis lupus), del poni salvaje (Equus ferus atlanticus) y del ganado vacuno semiextensivo (Bos taurus) en Galicia: interacciones depredador-presa. Ph.D. thesis, Universidad de Santiago de Compostela, Santiago de Compostela.
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Lagos, L., & Blanco, P. (2021). Testing the use of dogs to prevent wolf attackson free ranging ponies in Iberia? CDPnews, 23, 20–27.
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Lagos, L., & Bárcena, F. (2022). How to reduce wolf predation on wild ponies in Galicia? CDPNews, 24, 24–31.
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Lema, F. J., Ribeiro, S., & Palacios, V. (2022). Observations of wolves hunting fee-ranging horses in Iberia. CDPNews, 24, 1–9.
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Solmsen, E. - H., Bathen, M., Grüntjens, T., Hempel, E., Klose, M., Krüger, K., et al. (2021). Protecting horses against wolves in Germany. CDPNews, 23.
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Grönemann, C. (2015). Konfliktfeld Pferd und Wolf – Eine Untersuchung zu Einstellungen, Erwartungen und Befürchtungen von Pferdehaltern und Reitsportlern in Niedersachsen. Master's thesis, Universität Hildesheim, Hildesheim.
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Reinhardt, I., Kluth, G., Balzer, S., & Steyer, K. (2022). Wolfsverursachte Schäden, Präventions- und Ausgleichszahlungen in Deutschland 2021 (Markus Ritz, Ed.) (Vol. 41). Görlitz, Deutschland: DBBW-Dokumentations- und Beratungsstelle des Bundes zum Thema Wolf.
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