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Influence of nutrient source on specific dynamic action of Pearl Spot, Etroplus suratensis (Bloch)

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  • Somanath, B.
  • Palavesam, A.
  • Lazarus, S.
  • Ayyappan, M.
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    Abstract

    The magnitude of apparent specific dynamic action (SDA), the maximum rate of oxygen consumption and the length of time that the rate of oxygen uptake remained elevated above the prefeeding level were measured in the Pearl Spot, Etroplus suratensis, fed isonitrous test diets (D 1 - D 4 ) with varying nutrient sources. Irrespective of the diets, the metabolic rate increased immediately after feeding and reached the maximum within 3 to 4 hours. The source of nutrients in the diet significantly altered the magnitude of SDA. It was maximum (91.76% and 129.56%) for those fed on diets D 2 and D 3 and minimum 46.47% and 50.30% for those fed on diets D 1 and D 4 , respectively.

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    File URL: http://www.worldfishcenter.org/Naga/23-2/aq2.pdf
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    Bibliographic Info

    Article provided by The WorldFish Center in its journal Naga.

    Volume (Year): 23 (2000)
    Issue (Month): 2 ()
    Pages: 15-17

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    Handle: RePEc:wfi:wfnaga:35811

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    Keywords: Fish culture; Diets; Nutrition; Metabolism Etroplus suratensis;

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