Wiwin Suratman Situmeang
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The Effect Of Stocking Density and Feeding Rate On Growth and Survival Rate Of Ingir-ingir Larvae (Mystus nigriceps) with Resirculation System Wiwin Suratman Situmeang; Netti Aryani; Hamdan Alawi
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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Abstract

AbstractThe aim of this research was to determine the effect of stocking density and feeding rate on growth and survival rate of ingir-ingir larvae. This research was conducted from September-Oktober 2018 at Fish Hatchery and Breeding Laboratory, Fisheries and Marine Science Faculty Riau University. The Method used was a Factorial Completely RandomizedDesign with two factors, the first was stocking density with three levels namely 5 larvae/L (S5), 10 larvae/L (S10) and 20 larvae/L (S20). While the second factor wasfeeding rate 40% (F40), 60% (F60) and 80% (F80) of biomass.To minimize errors, each level of treatment was repeated 3 times. The result showed that stocking density and feeding rate were significant on absolute weight, absolute length, average growth rate, survival rate and feed efficiency. The treatment S5F80 (5 larvae/L and feeding rate 80% of biomass weight) were significant(P<0,05) with an absolute weight of 0,67 g, absolute length 3,65 cm, average growth rate of 16,28 %/day, feed eficiency 14,59 % and survival rate 91,33 %. The water quality parameters during research was in optimal range temperature 26,4-27,5°C, pH 5-6and dissolved oxygen 3,6-4,51 mg/l. Keywords : Stocking denstity, Feeding Rate, Growth and Survival rate