Article
Deficiency in homozygous haplotypes reveals recessive lethal variants affecting fertility and viability in the Friesian horse.
BMC genomics - 11 Mar 2026
Steensma Marije J, Ducro Bart J, Doekes Harmen P, Dibbits Bert, Groenen Martien A M, Derks Martijn F L
Abstract excerpt
BACKGROUND: Recessive lethal alleles causing pre- or postnatal death in homozygous mutant animals, could lead to reduced fertility success. The Friesian horse breed has signs of reduced fertility and has faced high inbreeding rates in the past (∆F > 1%). Consequently, by genetic drift lethal alleles may have reached moderate to high frequencies in the population. Our aim was to identify lethal recessive alleles...
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