A new approach to the vasectomy of African lions (Panthera leo)

Authors

Keywords:

African lions, Panthera leo, vasectomy, medetomidine, tiletamine/zolazepam, ductus deferens, fascial interposition

Abstract

Four healthy, male, adult African lions (Panthera leo) were presented for vasectomy, which was performed for management purposes. After immobilisation with medetomidine and tiletamine/zolazepam the lions were intubated and anaesthesia was maintained with isoflurane. In each animal, the ductus deferens was located bilaterally, dissected and transected. Following ligation, a technique commonly used in human medicine called fascial interposition, was used to decrease the chances of recanalisation. Using this technique, the prostatic end of the ductus was fixated outside the tunica vaginalis, while the testicular end remained within the tunic. Histopathology was performed in all cases to confirm the presence of the ductus deferens tissue. During the follow up, twelve months later, no complications were noticed by the owner and no new litters have been born since.

Author Biographies

  • BAT Gazendam, University of Pretoria

    Department of Production Animal Science and Centre for Wildlife Research, Faculty of Veterinary Science, University of Pretoria, South Africa

  • OH Monakali, University of Pretoria

    Pathology Section, Faculty of Veterinary Science, University of Pretoria, South Africa

  • N Landman , Witbank Veterinary Hospital

    Witbank Veterinary Hospital, South Africa

  • KN Koeppel , University of Pretoria

    Department of Production Animal Science and Centre for Wildlife Research, Faculty of Veterinary Science, University of Pretoria, South Africa

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Published

2023-05-03

Issue

Section

Case Report