Study of bacterial species and antimicrobial sensitivity in canine oral cavity at small animal teaching hospital, Chiang Mai University
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Abstract
The aims of this study were to determine bacteria species in oral cavity of canine and their antimicrobial susceptibility. Oral swabs were taken from 20 dogs at the Small Animal Teaching Hospital, Chiang Mai University. Bacterial identification and antimicrobial susceptibility test were revealed. The results presented 16 bacterial species in this study. The predominant grampositive bacteria were Staphylococcus aureus (6.25%), Corynebacterium spp. (6.25%) and Staphylococcus epidermidis (3.21%), respectively. The predominant gram-negative bacteria were Actinobacillus actinomycetemcomitans (17.19%) and Pseudomonas spp. (12.5%), respectively. Moreover, 12.59% of gram-negative rods and 6.25% of gram-negative cocci were species unidentified. This present study showed that gingivitis group was variously bacterial species than normal group. Furthermore, the antimicrobial sensitivity tests of gram-negative bacteria were susceptible to sulfamethoxazole and trimethoprim (62.5%), amoxicillin / clavulanic acid (37.5%), penicillin (50%). Moreover, the gram-negative bacteria were susceptible to cefazolin, enrofloxacin and gentamicin but 81.2% were resistant to penicillin.
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