PMID: 3750776Jul 19, 1986Paper

Inherited congenital myoclonus of polled Hereford calves (so-called neuraxial oedema): a clinical, pathological and biochemical study

The Veterinary Record
P A HarperJ A Dennis

Abstract

Thirty-four newborn polled Hereford and polled Hereford cross calves affected with a condition previously described as neuraxial oedema and six normal calves were examined. None of the affected calves were seen to stand after birth and when first examined the calves were in lateral recumbency, with extension and crossing of the hindlimbs. All the affected calves were bright and alert, could lift their heads and apparently could see and hear. When the calves were encouraged to stand spontaneous and stimulus-responsive myoclonic extensor spasms, with whole body rigidity, were consistently observed. Thirty-two of the affected calves had macroscopic lesions in the coxae. No significant pathological or biochemical lesions were observed in the central nervous system of any of the calves. The water content of the cerebellum did not differ between normal and affected calves. As oedema of the central nervous system is not a feature of this condition it is more appropriate to describe it as inherited congenital myoclonus.

Citations

Dec 1, 1993·Australian Veterinary Journal·P A Harper
Sep 1, 1995·Australian Veterinary Journal·P J Healy, J A Dennis
Dec 17, 2015·New Zealand Veterinary Journal·R D JollyH T Blair
Jun 19, 2004·The Veterinary Clinics of North America. Food Animal Practice·Kevin E Washburn, Robert N Streeter
Sep 25, 2015·Acta Veterinaria Scandinavica·Jørgen S AgerholmPeter A Windsor
Feb 1, 1989·Australian Veterinary Journal·P A HarperG K Brown
Oct 11, 2011·The Veterinary Record·D J C BlignautJ C A Steyl
Feb 17, 2001·Molecular and Cellular Neurosciences·K D PierceP R Schofield

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