Cell wall fractions from Methylococcus capsulatus prevent soybean meal-induced enteritis in Atlantic salmon (Salmo salar)

Plant based feed ingredients pose a risk for developing intestinal inflammatory diseases in fish. The salmon is in particular sensitive to solvent extracted soybean meal (SBM). Recent studies have shown that dietary inclusion of a bacterial meal (BM) grown on natural gas containing mainly Methylococ...

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Bibliographic Details
Published in:Aquaculture 2013-07, Vol.402-403, p.13-18
Main Authors: Romarheim, Odd H., Landsverk, Thor, Mydland, Liv T., Skrede, Anders, Øverland, Margareth
Format: Article
Language:English
Subjects:
Animal diseases
Antigens
Atlantic salmon
Bacteria
Bacterial meal
Cell wall fractions
Enteritis
Meals
Molecules
Risk assessment
Salmon
Soybean meal
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Summary:Plant based feed ingredients pose a risk for developing intestinal inflammatory diseases in fish. The salmon is in particular sensitive to solvent extracted soybean meal (SBM). Recent studies have shown that dietary inclusion of a bacterial meal (BM) grown on natural gas containing mainly Methylococcus capsulatus can prevent SBM-induced inflammation. The present study aimed to identify BM fractions and products that have this beneficial effect. A fish meal (FM) based diet, a diet with 200gkg−1 SBM, and six diets with 200gkg−1 SBM in combination with basic BM, autolyzed BM (AUT), permeate (PER) or retentate (RET) from filtration of AUT, nucleic acid reduced M. capsulatus (MCap), and M. capsulatus grown on methanol (MeOH) were made for this study. The inclusion of the BM products were equivalent to 150gkg−1 basic BM. The diets were fed for 4weeks to triplicate tanks of juvenile Atlantic salmon (Salmo salar) reared in salt water. No significant (P
ISSN:0044-8486
1873-5622
DOI:10.1016/j.aquaculture.2013.03.011