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Prevalence of Listeria monocytogenes and other Listeria spp. in Smoked and “Gravad” Fish
Acta Veterinaria Scandinavica volume 37, pages 13–18 (1996)
Abstract
Altogether 150 samples of vacuum-packed fish were examined for the presence of Listeria species. Listeria monocytogenes was isolated from 12 of 58 “gravad” fish samples, 3 of 26 cold-smoked and one of 66 hot-smoked fish samples. Ten of these 16 positive samples harboured more than 100 L. monocytogenes cfu/g. The highest level (132 000) was found in a sample of hot-smoked rainbow trout (Oncorhynchus mykiss). Serogroup 1/2 was most frequently found, followed by 4 and 3. One sample of gravad rainbow trout harboured more than one serogroup of L. monocytogenes. L. innocua and L. seeligeri were isolated from 12 and 1 samples, respectively.
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Acknowledgments
Prof. J. Bille and Dr. E. Bannerman are gratefully acknowledged for serotyping of strains belonging to serogroup 3.
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Loncarevic, S., Tham, W. & Danielsson-Tham, ML. Prevalence of Listeria monocytogenes and other Listeria spp. in Smoked and “Gravad” Fish. Acta Vet Scand 37, 13–18 (1996). https://doi.org/10.1186/BF03548115
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DOI: https://doi.org/10.1186/BF03548115