Dietary cholesterol requirement of larvae and postlarvae of the prawn Penaeus indicus (H. Milne Edwards)

Chandge, M S and Paulraj, R (1996) Dietary cholesterol requirement of larvae and postlarvae of the prawn Penaeus indicus (H. Milne Edwards). Journal of the Indian Fisheries Association, 23. pp. 63-74.

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Abstract

Two sets of experiments were conducted to determine the dietary cholesterol requirement of larvae and postlarvae 1-10 of Penaeus indicus. Seven approximately isocaloric and isonitrogenous purified experimental diets were tried with graded levels of cholesterol ranging from 0 to 4%. The control feed for larvae and postlarvae 1-10 were phytoplankton and compounded feed NPCL-17, developed by CMFRI, Cochin respectively. Result of these experiments indicates that cholesterol is an essential nutrient in the diet of larvae and postlarvae 1-10. Survival and growth of larvae and postlarvae 1-10 were greatly affected by cholesterol deficiency in the diet. The optimal cholesterol requirement for larvae appeared to be 0.5% of the diet, while it was higher for postlarvae where inclusion of cholesterol at a level of 2% in the diet gave higher growth.

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