Antibiotic resistant Salmonella and Escherichia coli isolated from indiginous Gallus domesticus in Nairobi, Kenya

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dc.contributor.authorOkemo, P. O.
dc.contributor.authorKariuki, S.
dc.contributor.authorMuluvi, G. M.
dc.contributor.authorWesonga, S. M.
dc.date.accessioned2012-10-23T08:54:45Z
dc.date.available2012-10-23T08:54:45Z
dc.date.issued2010
dc.description.abstractObjective: To characterise and investigate antimicrobial resistance of Esherichia coli and salmonella strains isolated from indigenous Gallus gallus in a leading slaughterhouse/ market outlet in Nairobi-Kenya. Design: A repeated cross sectional study and based on random sampling was used. Setting: The study was carried out in a leading market outlet in Nairobi, Kenya. Results: A hundred and four indigenous chicken rectal swabs were analysed, of which 67.3% were contaminated with Escherichia coli and 12.5% with Salmonella typhimurium. Seventy Escherichia coli isolates showed resistance phenotypes to one, two or more antibiotics. The most common antimicrobial resistance pattern was the single resistance to Tet (21.43%), followed by Amp Cot Tet (14%), Aug Amp Cot Tet (4.29%), Aug Amp Cot Tet Kan Chl (2.86%), Amp Cot Tet Chl, Cot Tet (2.86%) and Crx Amp Cot Tet Chl, Crx Amp Cot Chi, Amp Cot, Aug Amp, (1.43%) respectively. The highest rate of resistance was against Tet (55.7%), followed by Cot (40%). Third in line of resistance was Amp 32.86%, followed by Aug (11.43%), low or moderate resistance was against Chl (8.57%), Kan (4.29%), and Crx (2.86%) (P<0.0002). Salmonella typhimurium recovered displayed single resistance pattern to Tet (16.67%), Gen Cot Tet (8.33%), Amp Cot Tet (8.33%), Aug Amp Cot Tet (8.33%) and Amp Cot Tet Chl (16.67%). The highest resistance was against Tet (58.3%), Cot (41.7%), Amp (33.3%), Chl (16.7%), Aug and Gen (8.3%) respectively (P<0.0001). 3.0kb and 5.6kb plasmids isolated were not transferable by conjugation. Conclusion: Routine surveillance at slaughter/market outlets of Escherichia coli and Salmonella enterica should be done to identify infected flocks as a regulatory procedure for food safety and security programme.
dc.identifier.citationEast African Medical Journal > Vol 87, No 5 (2010)en_US
dc.identifier.issn0012 835x
dc.identifier.urihttp://ir-library.ku.ac.ke/handle/123456789/5802
dc.language.isoenen_US
dc.publisherAfrican Journals Onlineen_US
dc.titleAntibiotic resistant Salmonella and Escherichia coli isolated from indiginous Gallus domesticus in Nairobi, Kenyaen_US
dc.typeArticleen_US
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