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

B. Somanath, A. Palavesam, S. Lazarus and M. Ayyappan

Naga, 2000, vol. 23, issue 2, 15-17

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.

Keywords: Fish culture; Diets; Nutrition; Metabolism Etroplus suratensis (search for similar items in EconPapers)
JEL-codes: Q00 (search for similar items in EconPapers)
Date: 2000
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Persistent link: https://EconPapers.repec.org/RePEc:wfi:wfnaga:35811

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