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Bacterial Pathogens in Cattle Egret (Bubulcus ibis) and Pied Crow (Corvus albus) in Kinshasa, Democratic Republic of the Congo

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Document pages: 10 pages

Abstract: Purpose: Our study focused on Pied Grow and Cattle Egret, two commensal and ubiquitous birds feeding in dumps and frequenting our homes. Our aim was to identify the bacteria that birds bring to our homes and could be a potential risk to Congolese health. Method: We have done bacteriological analyses of bird feces for to explore its gut microbiota composition. The feces were collected in the uricotelic cloaca by using a swab in 52 Cattle Egrets (Bubulcus ibis) and 23 Pied Crows (Corvus albus) captured from January 2019 to January 2020 in the same dumps from the city of Kinshasa. Results: The findings reveal the presence of following microorganisms, namely Proteus vulgaris, Klebsiella pneumoniae, Salmonella sp., Pseudomonas aeruginosa, Citrobacter spp, Escherichia coli in the feces of birds. It should be noted that these birds are contaminated when they frequent and feed in landfills around our residences or hospitals. The bacterial composition of the intestinal flora estimated from feces is different from one bird to another and from the bird species to another in the same catch site. Conclusion: Commensal birds constitute the potential sources of infectious diseases transmission if hygienic conditions are not respected, including the regular disposal and treatment of waste in the city. Molecular studies are required in order to determine the antibiotic resistance gene of these microorganisms and the impact of these bacteria on avian diversity in this region.

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