Northwest-African sheep represent an ideal case-study for assessing the potential impact of
genetic homogenization as a threat to the future of traditional breeds that are adapted to
local conditions. We studied ten Algerian and Moroccan breeds of sheep, including three
transboundary breeds, distributed over a large part of the Maghreb region, which represents
a geographically and historically coherent unit. Our analysis of the dataset that involved
carrying out Genome-wide SNP genotyping, revealed a high level of homogenization …