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Eel fish (Anguilla spp.) a commodity that has significant economic value. Market demand for eel wasvery high, reaching 500.000 tonnes annually. One of effort to meet the market demand and increase theproduction of eels can be done with the development of alternative feed or feed additive additions that canaccelerate growth. The purpose of this study to determine the effect of papain on commercial feed togrowth rate, feed conversion ratio and survival rate in the eel (Anguilla bicolor) stadia elver. The methodof this study was experimental with Completely Randomized Design as experimental design. Thetreatment was completed by adding dose of papain feeding as 0%, 0.75%, 1.5%, 2.25% and 3%. Theresult of this study showed that the increase of papain on commercial feed had effect on specific growthrate and feed conversion ratio (p 0.05). The highestspecific growth rate and the best feed conversion ratio in this study was treatment C (1.5%) with each thevalue 0.85% gram/day and 2.27 while the lowest specific growth rate in this study was treatment A (0%)and E (3%) with each the value 0.37% gram/day and 0.39% gram/day, the worst feed conversion ratio inthis study was treatment A (0%) was 5.14. The maintenance of water quality in the media during thestudy was the temperature of 26-290C, pH 7-8, dissolved oxygen 4-6 mg/l and ammonia 0-0.05 mg/l.

jurnal ilmiah perikanan dan kelautan/jurnal ilmiah perikanan dan kelautan

Penambahan Papain pada Pakan Komersial Terhadap Laju Pertumbuhan, Rasio Konversi Pakan dan Kelulushidupan Ikan Sidat (Anguilla bicolor) Stadia Elver &lt;br&gt;&lt;i&gt;[The Addition of Papain on Commercial Feed to Growth Rate, Feed Conversion Ratio and Survival Rate of Eel Fish (Anguillla bicolor) Stadia Elver]&lt;i&gt;