Impact of dietary human chorionic gonadotropin on growth and body composition of white prawn, Penaeus indicus (M. Edwards)

V. Jayaprakas, C. Sambhu


The juveniles of white prawn, Penaeus indicus, were fed with a protein hormone, human chorionic gonadotropin (HCG) at concentrations of 2.5, 5.0, 7.5, 10.0, 12.5 and 15.0 ppm through fish meal based pelleted diet containing 40% protein for 120 days. A control was maintained by feeding with hormone free diet. HCG at 12.5 ppm produced superior growth, maximum food consumption, high conversion efficiency and better protein digestibility. Viscero-somatic index and gonado-somatic index of hormone treated prawns showed significant increase from that of the control while no significant difference was observed in the hapato-somatic index (P0.01). The total dry matter (31.16%) and protein content (76.23%) of the body showed highest values in the prawns fed 12.5 ppm HCG


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