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Vos, V. de, 1975. Volvulus in a white rhinoceros (Ceratotherium simum). Journal of the South African Veterinary Association 46 (4): 374, fig. 1

  details
 
Location: Africa - Southern Africa - South Africa
Subject: Diseases
Species: White Rhino


Original text on this topic:
On the 29th October 1974 an old female white or square-lipped rhinoceros (Ceratotherium simum) was found dead in the Kruger National Park. She had a 7-month old calf at heel. A necropsy was performed the next day.
On opening up the abdomen signs of an acute diffuse peritonitis were visible. The blood vessels of the stomach and intestines were distended and a large quantity of foul-smelling dark-coloured fluid with pus was found in the abdominal cavity. Advanced abdominal and intestinal tympany were present. As depicted by the above figure, a portion of the small intestine was twisted around its own axis, winding the mesentery taut to form total occlusion or strangulation of the lumen and blood vessels. In the above figure the affected portion was held by an assistant. The upper arm indicates the point where twisting, occlusion and strangulation took place. A diagnosis of volvulus was made.
The rhinoceros is supposed to be a species closely allied to the horse, both being members of the Order Perissodactyla. A similar layout of the lower alimentary system further corro- borates this theory. The gross anatomical features which predispose volvulus in the horse, are therefore also present in the rhinoceros and must have some significance in the aetiology of the present case.

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