Bacteriological Survey of Abattoir Wastewater in Aba, Abia State, Nigeria

Bioremediation Science and Technology Research Pub Date : 2023-07-31 DOI:10.54987/bstr.v11i1.793

Emmanuel Gideon Idu, Benjamin Oluwafemi Omidele, D. Nwaubani, Chioma Orieji Anya Okwara, Victor Ugbede Okpanachi

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Abstract

The bacteriological survey of abattoir wastewater in Aba was investigated. Samples of wastewater contaminated with abattoir waste were collected at ten different spots in the abattoir. Nutrient agar was utilised as the media for the total aerobic plate count, McConkey agar was used for the coliform count, and cellulolytic media was used for the cellulolytic count. It was done using the pour plate method. The bacteria were identified using colonial morphology, gram staining, and biochemical assays. All of the aerobic plates, coliform count and cellulolytic count for the abattoir wastewater ranged from 1.03 x107 to 7.1 x 106 CFU/mL, 5.8 x 106 to 1.2 x 106 CFU/mL and 3.7 x106 to1.3x 106 CFU/mL, respectively. Streptococcus spp., Pseudomonas spp., Staphylococcus aureus, Bacillus spp., Micrococcus spp., Vibrio cholerae, Klebsiella spp., and Escherichia coli were among the bacteria that were isolated. This survey further confirmed the presence of varying bacteria genera in abattoir wastewater and the expedient nature of treating wastewater rather than releasing it to the physical environment as it poses a threat to public health.

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尼日利亚阿比亚州阿巴屠宰场废水的细菌学调查

对阿坝市屠宰场废水进行了细菌学调查。在屠宰场的十个不同地点收集了被屠宰场废物污染的废水样本。以营养琼脂为培养基进行好氧平板总计数，以McConkey琼脂为培养基进行大肠菌群计数，以纤维素分解培养基进行纤维素分解计数。它是用倾板法完成的。利用菌落形态、革兰氏染色和生化分析鉴定细菌。所有屠宰场废水的好氧平板、大肠菌群计数和纤维素分解计数范围分别为1.03 × 107 ~ 7.1 × 106 CFU/mL、5.8 × 106 ~ 1.2 × 106 CFU/mL和3.7 × 106 ~ 1.3 × 106 CFU/mL。检出的细菌包括链球菌、假单胞菌、金黄色葡萄球菌、芽孢杆菌、微球菌、霍乱弧菌、克雷伯氏菌和大肠杆菌。这项调查进一步证实，屠宰场废水中存在各种细菌属，处理废水而不是将其排放到物理环境是权宜之计，因为它对公众健康构成威胁。

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Bioremediation Science and Technology Research

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