The Apparent Nutrient Digestibility of Diets Containing Fish Meal or Isolated Soy Protein in Sterlet (Acipenser ruthenus)
Identifieur interne : 000719 ( Istex/Curation ); précédent : 000718; suivant : 000720The Apparent Nutrient Digestibility of Diets Containing Fish Meal or Isolated Soy Protein in Sterlet (Acipenser ruthenus)
Auteurs : Serap Ustaoglu [Allemagne] ; Bernhard Rennert [Allemagne]Source :
- International Review of Hydrobiology [ 1434-2944 ] ; 2002-11.
English descriptors
Abstract
Feeding experiments were conducted to determine the apparent digestibility coefficients (ADCs) for sterlet (Acipenser ruthenus) fed diets containing different protein sources (fish meal and isolated soy protein). The ADCs were measured using the indirect chromic oxide method. The fish were fed at a rate of 1.5% body weight per day. Faecal samples were collected by continuous filtration of the effluent water from the rearing tanks during an 8‐week feeding period. The digestibility of protein was significantly higher in the diet containing isolated soy protein (93.63%) than in the diet containing fish meal (89.82%). In contrast, digestibility of lipid and energy were significantly higher in the diet containing fish meal. However, although isolated soy protein was well digested by sterlet, body weight increase and specific growth rate were significantly lower in fish fed the isolated soy protein diet than in fish fed the fish meal diet.
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DOI: 10.1002/1522-2632(200211)87:5/6<577::AID-IROH577>3.0.CO;2-4
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The ADCs were measured using the indirect chromic oxide method. The fish were fed at a rate of 1.5% body weight per day. Faecal samples were collected by continuous filtration of the effluent water from the rearing tanks during an 8‐week feeding period. The digestibility of protein was significantly higher in the diet containing isolated soy protein (93.63%) than in the diet containing fish meal (89.82%). In contrast, digestibility of lipid and energy were significantly higher in the diet containing fish meal. However, although isolated soy protein was well digested by sterlet, body weight increase and specific growth rate were significantly lower in fish fed the isolated soy protein diet than in fish fed the fish meal diet.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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