INFLUENCE OF WEIGHT AND SEX ON INTESTINAL BACTERIA OF WILD Clarias gariepinus (Burchell, 1822) IN RIVER RIMA SOKOTO STATE, NIGERIA.

FUDMA Journal of Agriculture and Agricultural Technology Pub Date : 2022-09-15 DOI:10.33003/jaat.2022.0801.097

M. A. Yusuf, A. M. Salim, I. Obaroh

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Abstract

This study was conducted to determine the influence of sex and weight on intestinal bacteria of wild Clariasgariepinusfrom River Rima Sokoto North western Nigeria. Twenty (20) samples of C.gariepinus were used and were grouped into two groups; ≤100g as juvenile and ≥100 as adults, and this give rise to 9 and 11 juveniles and adults respectively.The bacteria isolated, were investigated using standard microbiological procedures which includes; gram staining, microscopic examination and biochemical tests.Twelve (12) bacteria species were isolated from the sampled fishviz; Aeromonashydrophila, Bacillus cereus, Bacillus pasterii, Bacillus pantothenticus, Bacillus subtilis, Bacillus megaterium, Enterococcus faecalis, Escherichia coli, Micrococcus luteus, Shigellaflexnerii, Sporosarcinaureae and Staphylococcus aureusfrom both female and male of C. gariepinus. And the most dominant species of the isolated bacteria is Bacillus species. The study further revealed that, different fish body weights had no effect on intestinal bacteria of the species of fish, however, difference was observed among bacteria community composition between the sexes.

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体重和性别对尼日利亚RIMA SOKOTO河野生gariepinus (Burchell, 1822)肠道细菌的影响。

本试验旨在研究性别和体重对尼日利亚西北部Rima Sokoto河野生clariasgariepinus肠道菌群的影响。选取20份样本，分为两组;幼鱼≤100g，成鱼≥100 g，幼鱼9只，成鱼11只。使用标准微生物程序对分离的细菌进行调查，其中包括;革兰氏染色，显微镜检查和生化检查。从鱼样中分离出12种细菌;嗜水气单胞菌、蜡样芽孢杆菌、巴斯德芽孢杆菌、泛生芽孢杆菌、枯草芽孢杆菌、巨型芽孢杆菌、粪肠球菌、大肠杆菌、黄体微球菌、志贺氏杆菌、金黄色孢子菌和金黄色葡萄球菌均来自鸡链球菌的雌性和雄性。分离的细菌中最占优势的种是芽孢杆菌。研究进一步发现，不同的鱼体重对鱼类肠道细菌没有影响，但细菌群落组成在两性之间存在差异。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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FUDMA Journal of Agriculture and Agricultural Technology

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