Yang Zhencai, Xie Xiaojun, Sun Ruyong. EFFECTS OF RATION LEVEL ON THE DAILY TOTAL METABOLISM, SPECIFIC DYNAMIC ACTION AND ACTIVITY METABOLISM OF THE ORIENTA SHEATFISH(SILURUS ASOTUS L.)[J]. ACTA HYDROBIOLOGICA SINICA, 1996, 20(4): 333-339.
Citation: Yang Zhencai, Xie Xiaojun, Sun Ruyong. EFFECTS OF RATION LEVEL ON THE DAILY TOTAL METABOLISM, SPECIFIC DYNAMIC ACTION AND ACTIVITY METABOLISM OF THE ORIENTA SHEATFISH(SILURUS ASOTUS L.)[J]. ACTA HYDROBIOLOGICA SINICA, 1996, 20(4): 333-339.
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EFFECTS OF RATION LEVEL ON THE DAILY TOTAL METABOLISM, SPECIFIC DYNAMIC ACTION AND ACTIVITY METABOLISM OF THE ORIENTA SHEATFISH(SILURUS ASOTUS L.)

    Abstract
  • The daily total metabolic rates were determined for 31 fish with closed respirometers. In addition, resting daily total metabolic rates were determined for 20fish by confining the fish into a cage within the respirometer. The fish weighed 72.9-133.3g and were fed different ration levels from starvation to 4% bw/day at 25℃. The specific dynamic action and activity metabolism changed with ration level in the form of a "V" shaped curve, with the lowest values at ration levels of about 1% and 2% bw/day,respectively. The energy expenditure of specific dynamic action was 22.14% of food energy.
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