Comparação da eficiência dos caldos de enriquecimento seletivo no isolamento de Salmonella Dublin
AUTOR(ES)
Silva, D.G., Fagliari, J.J., Garcia, T.B.
FONTE
Arquivo Brasileiro de Medicina Veterinária e Zootecnia
DATA DE PUBLICAÇÃO
2008-06
RESUMO
The aim of this study was to compare three different selective enrichment broths: Rappaport-Vassiliadis (RV), selenite cystine (SC) and Muller-Kauffmann tetrathionate (MKT) for Salmonella Dublin isolation from faecal samples of calf experimentally infected. The bacteriological procedure involved pre-enrichment stages in Hajna-GN broth (only for the samples inoculated in RV broth), selective enrichment, culture in modified brilliant green agar (BGA), presumptive biochemistry tests (using triple-sugar-iron agar and lysine-agar) and slide agglutination test with poli-O and poli-H Salmonella antiserum. The effects of enrichment temperatures using RV broth were also evaluated (37ºC and 42ºC). SC broth was significantly more efficient in the isolation of Salmonella Dublin (P<0,05), whereas RV broth incubated at 42ºC had a lower efficiency in the microbiological isolation.
ASSUNTO(S)
bezerro salmonella dublin meio seletivo fezes
Documentos Relacionados
- Comparação de diferentes etapas de enriquecimento seletivo no isolamento de Salmonella sp. de fezes de suínos de terminação
- Comparação dos caldos selenito cistina, tetrationato Muller-Kauffmann e Rappaport-Vassiliadis no isolamento de Salmonella Typhimurium
- Comparação entre métodos de extração de DNA e caldos de enriquecimento seletivo na detecção de Salmonella Typhimurium em fezes de suínos pela reação em cadeia da polimerase (PCR)
- Comparison of different selective enrichment steps to isolate Salmonella sp. from feces of finishing swine
- Comparação de diferentes etapas de enriquecimento seletivo no isolamento de Salmonella sp. a partir de fezes de suínos de terminação