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Cattle
Tenesmus in a calf with hepatic encephalopathy
  1. Matthias Josef Wieland1,2,
  2. Martin Christoph Langenmayer3,
  3. Kaspar Matiasek3 and
  4. Annette Pfitzner2
  1. 1Department of Population Medicine and Diagnostic Sciences, Ambulatory and Production Medicine, Ithaca, New York, USA
  2. 2Clinic for Ruminants with Ambulatory and Herd Health Services, Center for Clinical Veterinary Medicine, Ludwig-Maximilians-University Munich, Germany
  3. 3Institute of Veterinary Pathology, Center for Clinical Veterinary Medicine, Ludwig-Maximilians-University Munich, Germany
  1. Correspondence to Dr Matthias Josef Wieland, mj.wieland{at}web.de

Abstract

A 7.6-week-old male Simmental calf was presented because of vehement tenesmus. Clinical neurological examination revealed sensomotoric dysfunction. Clinical pathology indicated a severe liver dystrophy and cholestasis. Laboratory parameters of cerebrospinal fluid were within the reference ranges. Investigation of concentration of blood ammonia showed an extensive elevation. On ultrasonographic examination, severe dilation of the bile ducts and gall bladder was detected. Hepatic encephalopathy was diagnosed and the animal was euthanased due to the severity of the underlying liver dystrophy as determined by clinical, laboratory and ultrasonographic examination. Pathological findings confirmed the diagnosis.

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  • Received October 17, 2014.
  • Revision received November 27, 2014.
  • Accepted December 9, 2014.
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