Identification of the presence of antibiotic residues in the water environment in Ndjamena, Chad

DJASBEYE Mounpor, Ban-Bo Bebanto Antipas, GANDOLO BONGO Naré Richard, NADLAOU Bessimbaye, NAIBI KEITOYO Amedé, RAHILA LOUM Ghazida, NAÏM Saturnin, HALIME HISSEIN Hangata
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Abstract

Objective: The objective of this study is to determine the presence of antibiotic residues in the water environment. Methodology and results: It was a descriptive study with an analytical purpose from May 2022 to August 2022 carried out in 8 districts of the city of N'Djamena. Wastewater samples were collected and analyzed using standard food microbiology methods. The detection of antibiotic residues was done by the premiTest which is a qualitative detection tool. A total of 42 wastewater samples were taken in the various districts of the capital. The prevalence of antibiotic residues obtained was variable (50 to 100%) from a district to other. It was 100% in the 6th district, 83% in the 8th district, 58% in the 7th district and 50% in the 10th, 1st, 2nd, 3rd and 9th districts of the city of Ndjamena respectively. Conclusion: The prevalence of antibiotic residues detected in the water environment reflects the poor management and use of antibiotics by human and veterinary health professionals in the city of N'Djamena. In this regard, the effluents generated by hospital and veterinary activities present a real danger for humans, animals and the environment, given the nature and importance of the specific substances they contain and because of their discharge. In the same way as conventional urban waste, into the communal sewerage system without prior treatment. The Ministry of Public Health and Prevention as well as the Ministry of Livestock and Animal Production must advocate to oblige officials at different levels to prohibit the discharge of drug residues into the environment of rational wastewater treatment in order to avoid bioresistance mechanisms in Chad.
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乍得恩贾梅纳水环境中抗生素残留的鉴定
目的:测定水环境中抗生素残留的存在。方法和结果:这是一项具有分析目的的描述性研究,于2022年5月至2022年8月在恩贾梅纳市的8个区进行。采用标准食品微生物学方法采集废水样品并进行分析。采用定性检测工具premiTest进行抗生素残留检测。在首都各区共采集了42份废水样本。获得的抗生素残留的流行率因地区而异(50%至100%)。恩贾梅纳市6区为100%,8区为83%,7区为58%,10区、1区、2区、3区和9区分别为50%。结论:在恩贾梅纳市水环境中检测到的抗生素残留的流行反映了人类和兽医卫生专业人员对抗生素的管理和使用不善。在这方面,医院和兽医活动产生的废水对人类、动物和环境构成了真正的危险,因为它们所含的特定物质的性质和重要性以及它们的排放。与传统的城市垃圾一样,未经事先处理就进入公共污水系统。公共卫生和预防部以及畜牧和动物生产部必须提倡责成各级官员禁止将药物残留物排放到合理的废水处理环境中,以避免在乍得出现生物抗性机制。
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