2017 Scienceline Publication Online Journal of Animal and Feed Research Volume 7, Issue 4: 91-96; Jul 25, 2017 ISSN 2228-7701 EFFECT OF NEW FORMULATED DIETS ON GROWTH AND BIOCHEMICAL PARAMETERS OF Babylonia spirata (LIN, 1758), GULF OF MANNAR G Chelladurai1 and N Karthick2 1Department of Zoology, G.Venkataswamy Naidu, Kovilpatti, Tuticorin, TamilNadu, India of Plant Botany and Plant Biotechnology, G.Venkataswamy Naidu, Kovilpatti, Tuticorin, TamilNadu, India  Email: gcd.zoology@gmail.com 2Department ABSTRACT: A feeding experiment of three dietary protein levels (30%, 35% and 40%) with three replicates was length ranged from 5.96 ± 0.62 cm to 6.91 ± 0.70 cm were fed the experimental diet for months Mean weight gain, survival rate, biochemical parameters of snail fed the 40 % protein diets was significantly (P