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Abstract

Growth Performance and Survival Rates of Milkfish (Chanos chanos) Fed Diets Supplemented with Pineapple Extract.

Kiki Wahyu Nilamsari, Johannes Hutabarat*, Diana Rachmawati and Bayu Prakoso Adi

Milkfish (Chanos chanos) is one of commodity which is strategic to fulfill necessity of protein that cheap enough and delighted by customer in Indonesian. The low feed efficiency is one of the obstacles in milkfish intensive farming. This can be overcome by the addition of the exogenous enzyme that an important role to digestion of feed, among exogenous enzyme is bromelain enzyme contained in pineapple extract. Enzyme bromelain is one of enzyme protease, which has the function to dissolve the protein with hydrolyzing of peptide in acid amino. This experiment has purpose to know the influence giving pineapple extract on artificial feed to feed utilization efficiency, growth, and survival rate of milkfish (C. chanos). Fish samples used 42-day old C. chanos with an average weight of 3.54 ± 0.03 g. This research used completely randomized experimental and design methods (RAL) with 4 treatments and 3 replications, respectively. The used treatments were treatment A (0 ml), B (2.5 ml), C (5 ml), and D (7.5 ml). The results showed that the proportion of pineapple extract was very significant influence (P<0.01) to Feed Utilization Efficiency (EPP), Protein Efficiency Ratio (PER) and Relative Growth Rate(RGR), but not significant influence (P>0.01) to Total Feed Consumed(TKP) and Survival Rate(SR). The optimum dose of pineapple extract is 4.50 ml can be Produce EPP maximum about 52.73%. The dose optimum pineapple extract about 4.26 ml can be produce per in maximum 1.55% and the optimum dose of pineapple extract 4.39 ml can produce RGR about 3.22%.

Published Date: 2021-06-02; Received Date: 2021-02-25