Recent advances in understanding the genetic resources of sheep breeds locally-adapted to the UK uplands: opportunities they offer for sustainable productivity

Frontiers in Genetics
Dianna Bowles

Abstract

Locally adapted breeds of livestock are of considerable interest since they represent potential reservoirs of adaptive fitness traits that may contribute to the future of sustainable productivity in a changing climate. Recent research, involving three hill sheep breeds geographically concentrated in the northern uplands of the UK has revealed the extent of their genetic diversity from one another and from other breeds. Results from the use of SNPs, microsatellites, and retrovirus insertions are reviewed in the context of related studies on sheep breeds world-wide to highlight opportunities offered by the genetic resources of locally adapted hill breeds. One opportunity concerns reduced susceptibility to Maedi Visna, a lentivirus with massive impacts on sheep health and productivity globally. In contrast to many mainstream breeds used in farming, each of the hill breeds analyzed are likely to be far less susceptible to the disease threat. A different opportunity, relating specifically to the Herdwick breed, is the extent to which the genome of the breed has retained primitive features, no longer present in other mainland breeds of sheep in the UK and offering a new route for discovering unique genetic traits of use to agriculture.

References

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Citations

Dec 5, 2015·Frontiers in Genetics·Stéphane JoostUNKNOWN Genomic-Resources Consortium
Oct 28, 2019·Frontiers in Genetics·Gillian P McHugoDavid E MacHugh
Jan 27, 2021·Tropical Animal Health and Production·Raed M Al-AtiyatSavinaz H Baghdadi
May 1, 2021·Animals : an Open Access Journal From MDPI·Michael N RomanovDarren K Griffin

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