The Effect Combination of Commercial Feed with Azolla Microphylla on Feed Conversion Ratio and Feed Efficiency of Tilapia Fish (Oreochromis niloticus)

irza aghnafairuz dzulkarnain

Abstract


Tilapia (Oreochromis niloticus) is one of the prospective freshwater fish producers to be developed in Indonesia. Tilapia is one of the freshwater fishcommodities that has received great attention from the fisheries because itis easy to breed, grows fast, and is tolerant to unfavorable environments. One ofthe problems of tilapia fish farmersis the high feed cost. The factor that affects the growth of fish is the nutritional content in the feed. To increase thegrowthoftilapia,qualityfeedisneeded.Oneeffortthatcanbedonetoincreasethe growth of tilapia is by combining commercial feed with A.microphylla. Thisstudyusedacompletelyrandomizeddesign(CRD)with4treatments,eachtreatment was repeated 5 times, with a treatment design P0 (100% pelleted feed),P1(75% pelleted feedwith25%A.microphylla),P2(50% pellet with50%A.microphylla,P3(25% pellet feedwith75%A.microphylla).Thevariablesobserved were Feed Conversion Ratio (FCR) and feed efficiency. The results ofstatistical analysis showed that the combination of feed resulted in significantlydifferent Feed Conversion Ratio and feed efficiency (p < 0.05). Tilapia fish FeedConversion Ratio with a higher increase in treatment P3 (2.1405) and a lowerdecreaseinP0(1.2296).Tilapiafeedefficiencywithahigherincreaseintreatment P0 (81%) and a lower decrease in P3 (43%). Values for the range ofwater quality vi parameters obtained were temperature 27.5 – 30.5 °C, pH 6.5-7.9,DO4 -5 mg/l, and ammonia 0 mg/l.

Keywords


Azolla microphylla, Oreochromis niloticus, feed efficiency, feed conversion ratio

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References


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DOI: https://doi.org/10.31002/jade.v6i1.7325

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