Nutritive Value of Four Soybean Products in Diets for Atlantic Salmon (Salmo salar,L.) |
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| Authors: | Jan J Olli Åshild Krogdahl Ted S G A M van den Ingh Lars E Brattås |
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| Institution: | 1. AKVAFORSK (Institute of Aquaculture Research Ltd.) , PO Box 5010, N-1432, ?s, Norway;2. AKVAFORSK (Institute of Aquaculture Research Ltd.) , PO Box 5010, N-1432, ?s, Norway;3. Department of Veterinary Pathology, Faculty of Veterinary Medicine , University of Utrecht , Yalelaan 1, PO Box 80 158, NL-3508, TD, Utrecht, The Netherlands;4. Department of Biochemistry, Physiology and Nutrition , Veterinary College of Norway , PO Box 8146 Dep., N-0033, Oslo, Norway;5. Department of Veterinary Pathology, Faculty of Veterinary Medicine , University of Utrecht , Yalelaan 1, PO Box 80 158, NL-3508, TD, Utrecht, The Netherlands;6. Lorvik , N-7710, Sparbu, Norway |
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| Abstract: | Abstract Four processed soybean products were evaluated as protein sources for Atlantic salmon: solvent-extracted soybean meal (SBM44), dehulled and solvent-extracted soybean meal (SBM50), dehulled full-fat soybean meal (FFSBM) and soybean concentrate (SBC). The soybean products replaced high-quality fish meal at levels corresponding to 0, 14, 28, 42 and 56% soybean protein of total protein. Dietary inclusion of SBC, at the expense of fish meal, did not affect weight gain, carcass lipids, fecal excretion of nutrients or fecal dry matter content significantly. The nutritive value of the SBC protein appeared comparable to that of the fish meal. The three other soybean products impaired performance increasingly with increasing levels of inclusion, indicating lower nutritive value than for the fish meal. The favourable results seen with SBC indicated a great potential of soybean to become an important protein source for Atlantic salmon through improved processing. |
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| Keywords: | solvent-extracted soybean meal dehulled solvent-extracted soybean meal full-fat soybean meal soybean concentrate growth fecal excretion |
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