Microbiological Evaluation of Fresh Catfish (Clarias gariepinus) Obtained from Selected Markets and Ponds in Minna Metropolis

European Journal of Nutrition & Food Safety Pub Date : 2023-04-10 DOI:10.9734/ejnfs/2023/v15i41301

E. Ohuoba, T. Okonkwo, Isah Laisi Rashidi, Amoran Omolola Oluwafunmike, Igweagu Christian Chukwuebuka, Eugene Felicia Nwakaego, Y. Maxwell, A. Zubair

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Abstract

This research aimed at evaluating the microbiological quality of fresh catfish (Clarias gariepinus) sold in three different markets and ponds in Minna metropolis. The total plate counts from Bosso pond are 2.7 × 102 cfu/mL and 3.8 × 102 cfu/mL (satisfactory) for skin and gills respectively. Kure pond includes total plate counts of 4.7 × 103 cfu/mL and 3.3 × 102 cfu/mL (satisfactory) for skin and gills respectively while Mobil pond had total plate counts of 2.5 × 103 cfu/mL and 2.5 × 102 cfu/mL on skin and gills respectively. The total coliforms counts from Bosso pond are 3.8 × 102 cfu/mL and 3.0 × 101 cfu/mL (satisfactory) for skin and gills respectively. Kure pond includes total coliforms counts of 2.4 × 102 cfu/mL and 2.6 × 102 cfu/mL (satisfactory) for skin and gills respectively while Mobil pond had total coliforms counts of 4.6 × 103 cfu/mL and 3.2 × 104 cfu/mL on skin and gills respectively. The coliforms count of fresh catfish (Clarias gariepinus) obtained from three markets locations are total coliforms counts from Bosso market are 5.6 × 104 cfu/mL and 4.0 × 105 cfu/mL (Unsatisfactory) for skin and gills respectively. Kure market includes total coliforms counts of 1.6 × 103 cfu/mL and 7.2 × 103 cfu/mL (satisfactory) for skin and gills respectively while Mobil market had total coliforms counts of 6.0 × 104 cfu/mL and 4.8 × 104 cfu/mL (Marginal) on skin and gills respectively. The fungal count of fresh catfish (Clarias gariepinus) obtained from three markets locations are Bosso market 1.3 × 102 cfu/mL and 1.5 × 101 cfu/mL (satisfactory) for skin and gills respectively. Kure market 2.0 × 103 cfu/mL and 1.0 × 102 cfu/mL (satisfactory) for skin and gills respectively while Mobil market had total fungal counts of 1.7 × 104 cfu/mL and 1.7 × 102 cfu/mL on skin and gills respectively. The following bacteria were isolated Escherichia coli, Bacillus substilis, Staphylococcus aureus, Pseudomonas species, Streptococcus species, Shigella species and Enterobacter species. The fungi isolated were Rhizopus spp and Aspergillus niger.

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明纳市精选市场和池塘新鲜鲶鱼微生物学评价

本研究旨在评价在米纳斯市3个不同市场和池塘销售的新鲜鲶鱼(Clarias gariepinus)的微生物质量。Bosso池总平板计数分别为2.7 × 102 cfu/mL和3.8 × 102 cfu/mL(满意)。库尔池皮肤和鳃的总板数分别为4.7 × 103 cfu/mL和3.3 × 102 cfu/mL(满意)，莫泊池皮肤和鳃的总板数分别为2.5 × 103 cfu/mL和2.5 × 102 cfu/mL。Bosso池大肠菌群总计数分别为3.8 × 102 cfu/mL和3.0 × 101 cfu/mL(满意)。库尔池皮肤和鳃的大肠菌群总数分别为2.4 × 102 cfu/mL和2.6 × 102 cfu/mL(满意)，莫比尔池皮肤和鳃的大肠菌群总数分别为4.6 × 103 cfu/mL和3.2 × 104 cfu/mL。从3个市场获得的新鲜鲶鱼(Clarias gariepinus)大肠菌群数量中，Bosso市场的皮肤和鳃大肠菌群总数分别为5.6 × 104 cfu/mL和4.0 × 105 cfu/mL(不合格)。Kure市场皮肤和鳃的大肠菌群总数分别为1.6 × 103 cfu/mL和7.2 × 103 cfu/mL(满意)，Mobil市场皮肤和鳃的大肠菌群总数分别为6.0 × 104 cfu/mL和4.8 × 104 cfu/mL(边缘)。从3个市场获得的新鲜鲶鱼(Clarias gariepinus)的真菌计数分别为Bosso市场的1.3 × 102 cfu/mL和1.5 × 101 cfu/mL(满意)。Kure市场皮肤和鳃真菌总数分别为2.0 × 103 cfu/mL和1.0 × 102 cfu/mL(满意)，Mobil市场皮肤和鳃真菌总数分别为1.7 × 104 cfu/mL和1.7 × 102 cfu/mL。分离出大肠杆菌、枯草芽孢杆菌、金黄色葡萄球菌、假单胞菌、链球菌、志贺氏菌和肠杆菌。分离到的真菌有根霉和黑曲霉。

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European Journal of Nutrition & Food Safety

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