Chandge Manohar Shivaram, R. Paul Raj -1997
J. Aqua. Trop., 12(3): 165-180
Abstract:
Seven isonitrogenous and isocaloric diets containing graded lipid levels (0-18% lipid content) were formulated and prepared using chemically purified ingredients. A mixture of codliver oil, soybean oil and lecithin was used as the lipid source. Each diet was fed to triplicate groups of juvenile Penaeus indicus for 30 days. Data were collected to assess the survival rate, growth rate, feed conversion ratio (FCR), protein efficiency ratio (PER) and body composition. The growth, survival and PER increased with the increase in dietary lipid level from zero to 12%. No significant improvement in growth occurred by inclusion of lipid at levels above 12%. A decline in the protein content of the prawns was observed above 12% lipid. There was also no significant difference in FCR for lipid level above 9% in diet.
(College of Fisheries, Shirgaon, Post bag No. 61, Ratnagiri 415 629, India)