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Fig. 1 | Canine Medicine and Genetics

Fig. 1

From: Variation in breeding practices and geographic isolation drive subpopulation differentiation, contributing to the loss of genetic diversity within dog breed lineages

Fig. 1

Geographical differentiation in Italian Greyhound and Shetland Sheepdog. a The Italian Greyhound samples from the US cluster closely together in the MDS analysis compared to the European samples. Dot colors indicate different countries of origin. b STRUCTURE and STRUCTURE HARVESTER analysis revealed four genetic clusters (K = 4) within the Italian Greyhound. Each bar in the graph corresponds to an individual and the genetic clusters are represented with different colors. Note the genetic uniformity among the US samples. c The Shetland Sheepdog samples show similar pattern as the Italian Greyhound, with the US samples forming a discrete cluster and the European samples being more scattered. Colors as in (a). d The Shetland Sheepdog samples analyzed in the study belong to three differing genetic clusters. As in (b), the US samples are genetically more uniform than the European samples

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