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A Comparative Study on the Urinary System of the African Giant Rat (Cricetomys Gambianus Waterhouse) and the Wistar Rat

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Author(s): B.I. Onyeanusi | A.A. Adeniyi | J.O. Ayo | C.S. Ibe | C.G. Onyeanusi

Journal: Pakistan Journal of Nutrition
ISSN 1680-5194

Volume: 8;
Issue: 7;
Start page: 1043;
Date: 2009;
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Keywords: African giant rat | urinary system | Comparative study | Wistar rat

ABSTRACT
A comparative study was carried out on the urinary system of the African Giant Rat (AGR) and the Wistar Rat (WR) using standard laboratory procedures. The mean liveweight of the AGR and WR were 863.590±33.740 and 140.625±6.078 g, respectively. The mean kidney weight of the male and female AGR and WR were 2.119±0.062, 2.053±0.009, 0.633±0.091 and 0.572±0.132 g, respectively. It was observed that the mean kidney weight in the male was higher than that of the female in both AGR and WR but the difference was not significant (p>0.05). The mean weight of the right kidney was heavier than that of the left kidney in both the AGR and WR. The mean weight of the right kidney of the AGR was 2.21±0.051 g while, the left was 2.00±0.055 g. The mean weight of the right kidney in the WR was 0.633±0.012 g while, the left was 0.596±0.022 g. No significant difference (p>0.05) was obtained in the thickness of the bladder and its length in both AGR and WR but there was a high significant difference (p
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