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Occurrence and antimicrobial susceptibility of Campylobacter jejuni and C. coli in dog feces from public parks in Southern Ecuador

Toledo, Zorayda; Simaluiza, Rosa Janneth; Ochoa, Sofía; Fernández, Heriberto.
Acta sci. vet. (Online); 43: 1-5, 2015. tab
Artigo em Inglês | VETINDEX | ID: vti-23766

Resumo

Background: Campylobacter jejuni and C. coli are important agents of diarrhea in human beings. Several animals are reservoirs for these bacteria and they may contribute to environmental contamination through fecal shedding. The presence of dog feces in urban settings could be a risk of Campylobacter environmental contamination and a problem of public health concern. Besides environmental contamination, the increasing antimicrobial resistance among Campylobacter is another issue of public health significance. The aims of this study were to determine the prevalence of C. jejuni and C. coli in dog feces collected from public parks of Loja city, Ecuador, and establishing their susceptibility to six antibiotics.Materials, Methods & Results: A total of 70 fresh-looking non-diarrheal dog fecal samples were collected from public parks of Loja city. An amount (c. a. 1 g) of each fecal specimen was collected with a swab, placed in a tube containing Bolton enrichment broth and processed within the next six hours. Campylobacter spp. were isolated by direct plating onto Butzler selective agar and into Bolton enrichment broth, which were incubated at 42°C for 48 h in microaerophilic conditions. From Bolton enrichment broth subcultures to Butzler selective agar were made and also to blood agar, the latter using the passive filtration method in order to isolate C. upsaliensis. Identification was made firstly using the traditional phenotypic test (catalase, oxidase, oxygen tolerance, growth at 25°C, hippurate and indoxyl acetate hydrolysis, and cephalothin and nalidixic acid susceptibility) and corroborated by the genus-specific polymerase chain reaction (PCR) and by the multiplex PCR (m-PCR) method proposed for the characterization of the six most common clinical Campylobacter species.[...](AU)
Biblioteca responsável: BR68.1
Localização: BR68.1