The emergence of antibiotic resistance has caused a threat to both human and animal population. This research was designed to investigate and compare the antibiotic resistance of bacteria isolated from chicken and dogs. A hundred and twelve samples of freshly dead chicken and eighty nine blood samples of sick dogs were analyzed. Pure culture of isolates were identified using cultural, morphological and biochemical characteristic. In vitro, susceptibility of the identified isolates against antimicrobial agents were determined by the standard disk diffusion procedure. One hundred and six isolates were recovered from chicken while 27 isolates were recovered from dogs. The organisms isolated include E. coli, Haemophilus sp, Pasturella sp, Klebsiella sp, Enterobacter sp, Salmonella sp, Staphylococcus sp., Micrococcus sp., Pseudomonas sp, Proteus sp, and Listeria sp. The antibiotic resistance showed that, gram-negative bacteria showed more resistance to the antibiotics used in this research compare to the gram-positive bacteria. This trend was found in isolates from both dog and chicken. In like manner, the bacteria isolates recovered from chicken showed a greater resistance when compare with the bacteria isolates recovered from dog. The increased resistance found in poultry makes poultry a suspect of residual resistance gene and probably reservoir for transmission.
Raoultella electrica, a Gram-negative, non-spore-forming, rod-shaped facultative anaerobe, was identified during a regular investigation of bacterial contamination in table eggs in the winter season. A total of 165 hen's eggs were collected in the winter season from 15 different areas of the city of Jaipur, India. Gram-negative Enterobacteriales were isolated on selective and differential media by the conventional plate method and were further identified by several biochemical tests and 16S rRNA gene sequencing. Commonly prescribed antibiotics for enteric infection were used for antibiotic susceptibility testing. For isolated microorganisms, different resistance patterns were found against the different antibiotics used (p < 0.01). The multiple antibiotic resistance index of bacterial isolates ranged from 0.10 to 0.60. R. electrica strain 1GB/NBRC 109676/KCTC 32430 was isolated for the first time from commercial chicken's eggs.
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