Abstract
<p>This research investigated the advantages and determined the optimal dosage of mangrove leaf supplementation to enhance growth and disease resistance in shrimp. PL-20 Pacific White Shrimp were given different doses of mangrove leaf extract added to their feed: 0 ppm/500 g (A), 225 ppm/500 g (B), 250 ppm/500 g (C), and 275 ppm/ 500 g (D), over a 30-day period. This experimental research was conducted using a completely randomized design with four treatments and three replications each. Several parameters were observed: growth, feed conversion ratio (FCR), energy protein productivity (EPP), and subsequent exposure to <em>Vibrio harveyi </em>to assess survival rate (SR). The obtained data underwent ANOVA analysis, which results demonstrated significant influence in shrimp growth, with the most notable improvement observed in treatment D. Treatment D also exhibited the highest SR value following the challenge test. Throughout the study, water quality parameters remained within the suitable range for fostering shrimp growth</p>
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