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Technique for the collection of clear urine from the Nile crocodile (<i>Crocodylus niloticus</i>) | Myburgh | Journal of the South African Veterinary Association
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Original Research

Technique for the collection of clear urine from the Nile crocodile (Crocodylus niloticus)

Jan G. Myburgh, Fritz W. Huchzermeyer, John T. Soley, Dirk G. Booyse, Herman B. Groenewald, Lizette C. Bekker, Taisen Iguchi, Louis J. Guillette

Journal of the South African Veterinary Association; Vol 83, No 1 (2012), 6 pages. doi: 10.4102/jsava.v83i1.8

Submitted: 06 March 2012
Published:  03 July 2012

Abstract

Urine samples can be a very useful diagnostic tool for the evaluation of animal health. In this article, a simple technique to collect urine from the Nile crocodile ( Crocodylus niloticus) was described, based on a similar unpublished technique developed for the American alligator ( Alligator mississippiensis) using a canine urinary catheter. With this technique, it was possible to collect relatively clean urine samples from Nile crocodiles of different sizes using canine urinary catheters or small diameter stomach tubes. Based on the gross anatomical features of the cloaca of the Nile crocodile, it was confirmed that urine accumulates in a chamber consisting of the urodeum and coprodeum. Faecal material is stored temporarily in the very short rectum, which is separated from the urinary chamber by the rectocoprodeal sphincter.

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Author affiliations

Jan G. Myburgh, Department of Paraclinical Sciences, University of Pretoria, South Africa
Fritz W. Huchzermeyer, Department of Paraclinical Sciences, University of Pretoria, South Africa
John T. Soley, Department of Anatomy and Physiology, University of Pretoria, South Africa
Dirk G. Booyse, Department of Anatomy and Physiology, University of Pretoria, South Africa
Herman B. Groenewald, Department of Anatomy and Physiology, University of Pretoria, South Africa
Lizette C. Bekker, Department of Paraclinical Sciences, University of Pretoria, South Africa
Taisen Iguchi, Department of Bio-Environmental Science, National Institutes of Natural Sciences, Japan
Louis J. Guillette, Department of Paraclinical Sciences, University of Pretoria, South Africa

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