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African Journal of Infectious Diseases

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Antibiotic resistance profiling and microbiota of the upper respiratory tract of apparently healthy dogs in Ibadan, south west Nigeria.

Oluwafemi Babatunde Daodu, Elizabeth Adesola Amosun, Daniel Oladimeji Oluwayelu

Abstract


Background: Rearing of dogs and other pets has become increasingly popular in modern society. Bacterial flora resides within the nasal and oral cavities of dogs and when chanced, can be pathogenic. Certain similarities between humans and dogs portends dangerous behavioral habits that could lead to zoonotic disease transmission. This study was aimed at isolation, identification and antibiotic profiling of bacteria from nasal swabs of apparently healthy dogs. The zoonotic risk was also considered.
Methodology: A total of 173 nasal swabs were collected from 173 apparently healthy dogs. Structured questionnaires were administered to investigate human behavioral habits.
Results: Two hundred and twenty two (222) bacterial isolates were obtained from the culture with ten (10) potentially pathogenic bacteria in the order of Escherichia coli (18.5%), Proteus species (17.1%), Staphylococcus aureus (14.0%), Klebsiella species (9.0%), Acinetobacter species (9.0%), coagulase negative Staphylococcus species (7.7%), Pseudomonas species (6.8%), Actinobacter species (6.8%), Citrobacter species (5.9%) and Streptococcus species (5.4%). Overall, the Gram negative isolates showed resistance to ciprofloxacin (9.3%), sparfloxacin (16.0%),perfloxacin (17.3%), ofloxacin (21.6%), chloramphenicol (34..6%), gentamycin (36.4%), streptomycin (37.%), septrin (49.4%), amoxillin (59.3%), augmentin (62.3%) while the Gram positive bacteria showed resistance to ciprofloxacin (3.3%), perfloxacin (6.7%), erythromycin (13.3%), streptomycin (21.7%), rocephin (28.3%), septrin (28.3%), gentamycin (36.7%), zinnacef (68.3%), ampiclox (81.7%) and amoxillin (85.0%). Multi-drug resistance (MDR) to three or more antimicrobials was observed in some of the isolates. Seventy - seven resistance patterns were observed, 16 in Gram positive and 61 in Gram negative bacteria.
Conclusion: This study revealed MDR to two or more antimicrobials in all the isolates. These can pose antibiotic resistance challenges in situation of primary or secondary canine respiratory infections. Also, this study revealed that 82% of the dog owners/ lovers had less than 50cm face-to-face contact with these dogs while playing with them, thus increasing their chances of acquiring MDR bacteria from apparently healthy dogs.

Key words: Antibiotic resistance, Microbiota, Upper Respiratory Tract, Dog, Ibadan.




http://dx.doi.org/10.21010/ajid.v11i1.1
AJOL African Journals Online