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Estimation of the incidence of recessive lethal genes for spinal muscular atrophy, arachnomelia and weaver syndrome in Austrian Brown cattle






Zuchtungskunde 66(1): 54-65

Estimation of the incidence of recessive lethal genes for spinal muscular atrophy, arachnomelia and weaver syndrome in Austrian Brown cattle

Using data on ancestor genotypes and pedigree information for 295 561 Austrian Brown cattle born in 1968-88, the frequencies of the recessive lethal genes determining lethal spinal atrophy, arachnomelia and the weaver syndrome were calculated with a newly written computer program. The frequency of the lethal spinal atrophy gene increased from 0% in 1968 to 3.08% for born in 1983 and to 3.52% for bulls born in 1980, and is at present approximately 3.5%.


Accession: 002373464



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