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Examination of urine microflora and resistance of isolated pathogens during inflammatory processes of the urinary tract in dogs

Antibiotic-resistant bacteria are currently frequently isolated from pets and farm animals. The long-term irrational use of antibiotics for the treatment of animals and humans is underestimated and requires further attention and research, including in Ukraine. The aim of our study was to identify bacterial isolates and study their sensitivity to antibiotics in urinary tract inflammation in dogs. According to the statistical data of the VetForce system of the BTNAU clinic, out of 202 dogs examined in the clinic, 15 (7.43 %) were diagnosed with diseases with signs of urinary tract inflammation. It has been established that a large number of microorganisms, mainly E. coli, Streptococcus urinae, Pseudomonas aeruginosa and Staphylococcus aureus, causes inflammatory processes of the urinary tract in dogs. A less common microorganism, Klebsiella pneumonia, proved to be resistant. It was found that bacterial cystitis (the first group of animals) prevailed 1.5 times more often than in animals with urolithiasis. In dogs of the first group of 6–12 years old and over 12 years old, the percentage of the disease was higher compared to the group from 0.6 to 1.6 years old by 10.2 and 22.2 %, respectively. Dogs of the second group, aged 1.6–12 years, suffering from urolithiasis (66.6 %), suffer from bacterial diseases 4 times more often compared to animals aged 0.6–1.6 years. Streptococcus urinae, Escherichia coli, Pseudomonas aeruginosa and Staphylococcus aureus were isolated and identified from the urine of dogs in this group. In the associated form, E. coli and Streptococcus pyogene predominated in the urine of dogs. A resistant strain of Klebsiella pneumonia to amoxicillin, streptomycin, kanamycin, gentamicin and tetracycline was identified. Antibiotics should be used rationally, taking into account that for the treatment of animals it is necessary to determine the sensitivity of the pathogen with which the animal was infected. Antibiotic therapy should be carried out until complete elimination, which is sometimes achieved through prolonged treatment.

Key words: microorganisms, distribution, pathogens, urine, dogs, resistance, antibiotics, urinary tract, bacteriological testing.

I. Rublenko


CHEMEROVSKA I. https://orcid.org/0000-0002-7291-6400


BOLIBRUKH M. https://orcid.org/0000-0001-7583-3515


TARANUHA S. https://orcid.org/0000-0002-6095-7846


NASARENKO M.


RUBLENKO S. https://orcid.org/0000-0003-0678-5497


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Scientific Journal of Veterinary Medicine 1'2023