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Atypical hydrocephalus in an Angus herd in Missouri, USA
  1. Pedro Melendez,
  2. Dietrich Volkmann and
  3. Patrick Pithua
  1. Department of Veterinary Medicine and Surgery, University of Missouri System, Columbia, MO, USA
  1. Correspondence to Dr Pedro Melendez; melendezp{at}


An atypical hydrocephalus case from a 24-month-old Angus heifer was diagnosed after a caesarean section was performed. The cow was euthanased after she fell twice during the surgery before having the opportunity to exteriorise the uterus. The fetus was removed from the dam post euthanasia. This teratogenic abnormality resembled a new genetic condition diagnosed in 2009 in the Angus breed called neuropathic hydrocephalus (recessive gene). The calf and dam were not sampled, but the bull, coming from a commercial Angus farm, tested positive for this gene. This case reinforces the importance of a consistent diagnostic methodology when genetic diseases are suspected.

  • hydrocephalus
  • angus
  • genetic disorder
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  • Contributors PM conducted the C-section and extraction of the hydrocephalus. He wrote the paper. DV helped with the diagnosis and writing of the paper. PP helped with the diagnosis and writing of the manuscript.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Data sharing statement There are no additional data available for this paper.

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