Abstract
The viability of different species ofSalmonella in seawater was studied under controlled laboratory conditions. The negative influence of water self-purifying factors exerted on the survival of the microorganisms varied depending on the factor considered and also on the specie selected. Biotic and luminous factors were mainly responsible for the inactivation and disappearance ofSalmonella in the water solutions. The addition of 1% of sewage to filtered seawater and freshwater provoked a decrease in the number ofSalmonella populations tested in comparison with the solutions without sewage. On the other hand, an increase of sublethally injuredSalmonella cells with respect to exposure time was not observed. From the results obtained from T90 inactivation experiments, it may be deduced that the main factor implicated in the disappearance ofSalmonella from the water mass is physical dilution.
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Moriñigo, M.A., Cornax, R., Muñoz, M.A. et al. Viability ofSalmonella species in natural waters. Current Microbiology 18, 267–273 (1989). https://doi.org/10.1007/BF01570304
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DOI: https://doi.org/10.1007/BF01570304