Salmonella in fish feed; occurrence and implications for fish and human health in Norway

Lunestad, Bjørn Tore; Nesse, Live L.; Lassen, Jørgen Fr; Svihus, Birger; Nesbakken, Truls; Fossum, Kåre; Rosnes, Jan Thomas; Kruse, Hilde; Yazdankhah, Siamak Pour

doi:10.1016/j.aquaculture.2007.02.011

Cited by 65 publications

(41 citation statements)

References 44 publications

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“…Animal feed is a recognized source of pathogenic microorganisms for animals [16]. It is still relatively common to find evidence of contamination of domestic and imported feed and animal-feed ingredients [17][18][19][20][21][22][23][24][25][26]. Salmonella can be isolated regularly from feedstuffs and feed ingredients, including both animal and vegetable proteins, such as soya, rape, palm kernel, rice bran and cottonseed.…”

Section: Results and Disscusionmentioning

confidence: 99%

Salmonella serovars isolated for the first time in Poland, 1995–2007

Dera-Tomaszewska¹

2012

International Journal of Occupational Medicine and Environmental Health

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Objectives: Almost each year, a few Salmonella serovars isolated for the first time are noted in Poland. Each such serovar should be regarded as potentially dangerous. Recognition of them and monitoring their occurrence and frequency of distribution in all sources is important to control salmonellosis, and is one of the roles of the National Salmonella Centre. Materials and Methods: Over 2000 Salmonella strains submitted to the National Salmonella Centre for reference identification were examined. All of them were isolated in Poland between 1995−2007 from human and non-human sources. They were serotyped and characterized biochemically according to standard techniques. The antigenic factors were identified by means of good-quality Salmonella specific rabbit antisera. The White-Kauffmann-Le Minor scheme was used to name the serovars. Results: One hundred and forty-five serovars were recognized. Fifty-two of them appeared for the first time in Poland. One serovar was found to be the new one. Its validation was done at the WHO Collaborating Centre for Reference and Research on Salmonella (Institut Pasteur, Paris, France). It will be included in the next (10th) edition of the White-Kauffmann-Le Minor scheme. Conclusions: Salmonella will continue to be the feature of humans, animals and the general environment. For practical purposes, we have to accept that Salmonella will not be eliminated and we must address our efforts to its controlling. Measuring trends in Salmonella serovars over time ought to be done to provide information about the efficacy of prevention and control measures. Results of this study are significant for these activities. They have also allowed to update the list of Salmonella serovars isolated in Poland during the last fifty years (1957−2007) which is presented as well.

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Section: Results and Disscusionmentioning

confidence: 99%

Salmonella serovars isolated for the first time in Poland, 1995–2007

Dera-Tomaszewska¹

2012

International Journal of Occupational Medicine and Environmental Health

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“…During 2000During -2004.78 % of environmental samples from Norwegian fish feed production facilities were positive for Salmonella. The serovars recovered were mostly S. Senftenberg and S. Montevideo that account for 2 % of human cases in Norway (Lunestad et al 2007). Thus fish feed could be source of Salmonella in aquaculture systems.…”

Section: Salmonellamentioning

confidence: 98%

“…Some strains of Salmonella like S. Senftenberg 775 W may show higher heat resistance (ICMSF 1996). Interestingly, S. Senftenberg is the serovar most often isolated from fish feed (Lunestad et al 2007). D-values are influenced by the water activity, nature of the solutes and the pH of the suspending medium (ICMSF 1996).…”

Section: Salmonellamentioning

confidence: 99%

“…The minimum water activity for growth is 0.94 (ICMSF 1996) and the growth is generally inhibited at 3-4 % NaCl, but salt tolerance increases with increasing temperature in the range 10-30 °C (D'Aoust and Maurer 2007). Although the resistance of Salmonella to drying varies, this organism may survive for months or even years in dried products and has been frequently isolated from fish meal, meat and bone meal, maize and soy products (Lunestad et al 2007). Salmonella is sensitive to lower temperatures causing decrease in numbers during freezing and frozen storage, but this process does not guarantee elimination of salmonellae in foods (ICMSF 1996).…”

Section: Salmonellamentioning

confidence: 99%

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Bacterial Pathogens Associated with Aquaculture Products

Karunasagar

2014

Zoonoses - Infections Affecting Humans and Animals

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According to FAO statistics, aquaculture is contributing to nearly half of the global food fish production. Fish contributes to both nutritional and food security in many developing economies. Fish is also one of the most extensively traded food commodities; most of global aquaculture production takes place in developing countries and the major markets are in the developed world. European Union, Japan and United States together account for about 70 % of global fish imports.

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“…Yet, intensification of fish production is still raising the risk of disease due to high density stocking of fish, antibiotics, poor water control and other factors [3]. Feed, an important diet for the growth of fish [5,6], may promoted the risk of disease for fish and ultimately for human [7]. In Asia-Pacific region, commercial feed and home-made feed have been used to feed the fish in freshwater aquaculture production.…”

Section: Introductionmentioning

confidence: 99%

Microbiological Quality of Catfish (Clarias Gariepinus) and Tilapia (Tilapia Mossambica) Obtained from Wet Markets and Ponds in Malaysia

Rusul¹

2014

J Aquac Res Development

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Salmonella in fish feed; occurrence and implications for fish and human health in Norway

Cited by 65 publications

References 44 publications

Salmonella serovars isolated for the first time in Poland, 1995–2007

Salmonella serovars isolated for the first time in Poland, 1995–2007

Bacterial Pathogens Associated with Aquaculture Products

Microbiological Quality of Catfish (Clarias Gariepinus) and Tilapia (Tilapia Mossambica) Obtained from Wet Markets and Ponds in Malaysia

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