Application of fermented aquatic weeds in formulated diet of climbing perch (Anabas testudineus)

Abstract— Feed is the element that really support the activities of aquaculture, there for the feed that is available must be adequate and meet the needs of the fish.  The purpose of this research was to evaluate effect aquatic weed flour addition that have been fermented in artificial feed to growth performance and feed efficiency of climbing perch. The experimental method with Completely Randomized Design were used in this study. Nine treatments  with three replication were tested, namely, Feed A (A. niger-Savinia molesta), Feed B (A. niger-Pistia stratiotes), Feed C (A. niger-Lemna minor), Feed D (R. oryzae-Salvinia molesta), Feed E (R.oryzae-Pistia stratiotes), Feed F (R.oryzae-Lemna minor), Feed G (S.cerrevisiae-Salvinia molesta), Feed H (S.cerrevisiae-Pistia stratiotes), and Feed I (S.cerrevisiae-Lemna minor). The experimental fish was reared in bucket plastic (vol 20 L) at stocking density of 10 fish in each bucket. The fish fed at ration of 5% body weight per day. The results showed that the highest absolute growth and specific growth rate were found at treatment Feed F (17.38 g and 221.97%, respectively). The higher feed convertion ratio (FCR) and feed efficiency were found at treatment Feed I. Based on the absolute growth, specific growth, feed convertion ratio, and feed efficiency, climbing perch fry required R. Oryzae-Lemna minor in feed formulation. It was concluded that R oryzae-Lemna minor as feed for climbing perch.

Keywords Fermented feed, climbing perch, Anabas testudineus, aquatic weed,

  1. niger, R. oryzae, and S. cerrevisiae
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Dynamic analyses of a flat plate and a beam subjected to a moving load

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