Abstract
The usual media and procedures were followed to measure the concentration of fecal streptococci (MPN on Azide Dextrose and Ethyl Violet Azide broths, membrane filtration on m-Enterococcus, KF and Pfizer Selective Enterococcus agars and according to the mE procedure) in samples collected along two different marine areas. The results were evaluated on the basis of three parameters: total concentrations, number of enterococci-like colonies (namely colonies gram positive, catalase negative, coccus shaped) and rate of strictly named fecal streptococci.
From the results it appears that the various media and procedures employed gave different yields and their capacity to measure fecal streptococci varies according to the origin of samples. The accompanying bacterial flora may play an important role on the selectivity of each technique to measure the fecal streptococci.
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Volterra, L., Bonadonna, L. & Aulicino, F.A. Fecal streptococci recoveries in different marine areas. Water Air Soil Pollut 29, 403–413 (1986). https://doi.org/10.1007/BF00283446
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DOI: https://doi.org/10.1007/BF00283446