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Inheritance Of A Mutation Causing Neuropathy With Splayed Forelimbs In Jersey Cattle, A. Al-Khudhair, D. J. Null, J. B. Cole, C. W. Wolfe, David J. Steffen, P. M. Vanraden
Inheritance Of A Mutation Causing Neuropathy With Splayed Forelimbs In Jersey Cattle, A. Al-Khudhair, D. J. Null, J. B. Cole, C. W. Wolfe, David J. Steffen, P. M. Vanraden
School of Veterinary and Biomedical Sciences: Faculty Publications
A new undesirable genetic factor, neuropathy with splayed forelimbs (JNS), has been identified recently in the Jersey breed. Calves affected with JNS are unable to stand on splayed forelimbs that exhibit significant extensor rigidity and excessive lateral abduction at birth. Affected calves generally are alert at birth but exhibit neurologic symptoms, including spasticity of head and neck and convulsive behavior. Other symptoms reported include dislocated shoulders, congenital craniofacial anomalies, and degenerative myelopathy. Inheritance of an undesirable genetic factor was determined from a study of 16 affected calves reported by Jersey breeders across the United States. All of their pedigrees traced …