Variation in Plating Efficiency of Salmonellae on Eight Lots of Brilliant Green Agar
AUTOR(ES)
Read, R. B.
RESUMO
The plating efficiency of Salmonella anatum, S. cubana, S. dublin, S. tennessee, and S. typhimurium was determined for eight lots of Brilliant Green Agar made by two manufacturers. Washed cells were used as the inoculum and cultures were incubated at 41.5 C. All lots of Brilliant Green Agar were supplemented with 12 mg of sulfadiazine per 100 ml of medium. Of the eight lots of Brilliant Green Agar tested, average recovery of the test salmonellae in three did not differ from recoveries with Trypticase Soy Agar, which was used as a control to indicate the number of viable salmonellae in the test suspension capable of growth on a nonselective medium. Two lots of Brilliant Green Agar gave salmonellae recoveries with geometric means about 25% lower than, and significantly different from, those of the control agar. The remaining three lots of Brilliant Green Agar were generally unproductive.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=547510Documentos Relacionados
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