Cavalier King Charles spaniels carry a high number of harmful genes

2 weeks ago 7
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Life 2 September 2021

By Krista Charles

Two spaniels

Cavalier King Charles spaniels

Ann Tyurina/Shutterstock

Dog breeding has produced canines successful a assortment of shapes and sizes, but has besides led to a build-up of harmful mutations successful definite breeds. A caller survey suggests that cavalier King Charles spaniels transportation a peculiarly precocious level of mutations, including variants linked to a bosom information called myxomatous mitral valve disease.

Erik Axelsson astatine Uppsala University successful Sweden and his colleagues compared the sequenced genomes of 20 idiosyncratic dogs from 8 fashionable canine breeds, specified arsenic German shepherds and aureate retrievers, and recovered that …

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