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Comparative study of different culture media for salmonella recovery in feedstuffs and feeds

This work was designed to evaluate the efficacy of culture media for salmonella recovery in feedstuffs and feeds. All experimental samples were processed for recovery of stressed bacteria in buffered peptone water and selective media: Selenite Cystine (SC), Rappaport Vassiliadis (RV) and Tetrathionate Hajna (TH), and solid media: Brilliant Green Agar (BGA) and Xylose Lisine Desoxycholate (XLD). Higher number of positive samples was observed from TH and RV as compared to SC. The TH incubated at 42ºC produces the bigger number of positive results, whereas the solid media BGA and XLD were both effective.

Salmonella; Culture media; Feed

Faculdade de Medicina Veterinária e Zootecnia / Universidade de São Paulo Av. Prof. Dr. Orlando Marques de Paiva, 87, Cidade Universitária Armando de Salles Oliveira, 05508-270 São Paulo SP Brazil, Tel.: +55 11 3091-7636, Fax: +55 11 3031-3074 / 3091-7672 / 3091-7678 - São Paulo - SP - Brazil