Ecology, Environment and Conservation Paper

Vol.15, Issue 04, 2009; Page No.(771-774)

FORMULATION OF SPIRULINA BASED FEED (SPIROO-AQUA AYURVET LTD.: DELHI) AND ITS INFLUENCE ON FEED METABO- LISM IN CIRRHINUS MRIGALA

K. Sithara and K. Kamalaveni

Abstract

In aquaculture practice fish feed forms the most expensive component which accounts to 55 to60% of the total expenditure. Feeding experiment was conducted by using Spirulina incorporated diet for Cirrhinus mrigala at 0.25, 0.50, 1.0%. Diets without Spirulina were fed to control groups of fishes. The results revealed that the fish utilized the Spirulina diet more efficiently than control diet. Bioenergetic parameters such as feeding rate, absorption rate and growth rate were high in fish fed with Spirulina diet and biochemical parameters such as protein, carbohydrate, lipids in muscle and liver tissue of fish fed with spirulina showed a significant increase over the control. The incorporation of Spirulina in the feed of fish is discussed in relation to feed metabolism.

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