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Titolo:
Nutrient digestibility in Atlantic salmon and broiler chickens related to viscosity and non-starch polysaccharide content in different soyabean products
Autore:
Refstie, S; Svihus, B; Shearer, KD; Storebakken, T;
Indirizzi:
Agr Univ Norway, Dept Anim Sci, N-1432 As Nlh, Norway Agr Univ Norway As Nlh Norway N-1432 ept Anim Sci, N-1432 As Nlh, Norway AKVAFORSK, Inst Aquaculture Res, N-6600 Sunndalsora, Norway AKVAFORSK Sunndalsora Norway N-6600 ture Res, N-6600 Sunndalsora, Norway NOAA, Natl Marine Fisheries Serv, NW Fisheries Sci Ctr, Seattle, WA 98112 USA NOAA Seattle WA USA 98112 rv, NW Fisheries Sci Ctr, Seattle, WA 98112 USA
Titolo Testata:
ANIMAL FEED SCIENCE AND TECHNOLOGY
fascicolo: 4, volume: 79, anno: 1999,
pagine: 331 - 345
SICI:
0377-8401(19990630)79:4<331:NDIASA>2.0.ZU;2-W
Fonte:
ISI
Lingua:
ENG
Soggetto:
TROUT ONCORHYNCHUS-MYKISS; 4 SOYBEAN PRODUCTS; RAINBOW-TROUT; GUAR GUM; PHYTIC ACID; GASTROINTESTINAL-TRACT; INTESTINAL VISCOSITY; PLASMA-CHOLESTEROL; NUTRITIONAL-VALUE; SOY-PROTEIN;
Keywords:
fish; Salmo salar; chicken; soyabean protein; dietary fibre; digestibility; viscosity;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
49
Recensione:
Indirizzi per estratti:
Indirizzo: Svihus, B Agr Univ Norway, Dept Anim Sci, POB 5025, N-1432 As Nlh, Norway Agr Univ Norway POB 5025 As Nlh Norway N-1432 32 As Nlh, Norway
Citazione:
S. Refstie et al., "Nutrient digestibility in Atlantic salmon and broiler chickens related to viscosity and non-starch polysaccharide content in different soyabean products", ANIM FEED S, 79(4), 1999, pp. 331-345

Abstract

Total tract digestibility in Atlantic salmon and ileal digestibility in chicken were assessed from diets with different soyabean products (hulled, toasted, extracted, SBM; reduced oligosaccharide content, ROM; ethanol-extracted protein concentrate, SPC; isolated protein, ISP). The concentration of dietary fibre was highest in SBM and ROM, while it was low in ISP. In vitroviscosity was also higher in SBM than in the other soyabean products. The diets for the salmon and chickens were based on the same feed ingredients, with the exception that fish meal provided half the crude protein in the salmon diets, For each species, the diets were isonitrogenous, contained similar amounts of fat (fish oil), and were balanced with dextrin, thus substituting soyabean non-starch polysaccharides (NSP) and other non-proteinous components by dextrin. In the salmon, total tract digestibility of nitrogen and dry matter were lower (p < 0.05) with the SBM and ROM diets than with the ISP diet. In the chickens, ileal digestibility of dry matter differed among all treatments (p< 0.05). Digestibility of nitrogen, starch, phosphorus and calcium in the chickens was lower (p < 0.05) with the SBM diet than with the ISP and SPC diets, and fat digestibility was lower (p < 0.05) with the SBM and ROM dietsthan with the SPC diet. Also, the SBM diet gave lower (p < 0.05) digestibility of nitrogen, phosphorus and calcium than the ROM diet, while the ROM diets gave lower (p < 0.05) digestibilities of nitrogen, fat and starch thanthe ISP and SPC diets. Intestinal viscosity was higher (p < 0.05) and cholesterol content in the blood was lower (p < 0.05) for the chickens fed the SBM-based diet than those fed the other diets. There was a similar responseto the different soy products in salmon and chickens with regard to digestibility of nitrogen and fat (p < 0.05). The negative effects of soyabean meals with a low: protein content could indicate antinutritive effects of NSPfractions in soyabean meal, as indicated by the elevated viscosity and thedecrease in blood cholesterol content. (C) 1999 Elsevier Science B.V. All rights reserved.

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Documento generato il 24/09/20 alle ore 09:43:24