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R. Wulandari
Bogor Agricultural University, Department of Aquaculture
Agriculture, Biological Sciences & Forestry

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Effect of Hardness in 3 ppt of Water Salinity on growth and survival rates of Barb Fish (Barbus conhonius Hamilton-Buchanan) Kukuh Nirmala; R. Wulandari; D. Djokosetiyanto
Jurnal Akuakultur Indonesia Vol. 4 No. 1 (2005): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (152.63 KB) | DOI: 10.19027/jai.4.17-24

Abstract

This study was conducted to determine the effect of hardness on growth and survival rate of barb fish (Barbus conchonius Hamilton-Buchanan) reared in the 3 ppt of water salinity.  Fish were reared in three different hardnesses, i.e., 54, 72, and 90 mg/L CaCO3 for 30 days.  The results of study showed that fish reared in water hardness of 72 mg/L CaCO3 had higher daily growth rate (1.15%) compared with other treatments.  Daily growth rate of fish reared in water hardness of 54 and 90 mg/L CaCO3 were 0.76 and 0.37%, respectively.  There was no effect of hardness on survival rate of barb fish. Keywords: barb fish, Barbus conchonius,  hardness, salinity   ABSTRAK Penelitian ini bertujuan untuk mengetahui pengaruh kesadahan yang berbeda terhadap laju pertumbuhan dan tingkat kelangsungan hidup ikan barbir (Barbus conchonius Hamilton-Buchanan) yang dipelihara pada air bersalinitas 3 ppt.  Ikan dipelihara dalam 3 tingkat kesadahan yang berbeda, yaitu 54 mg/L CaCO3, 72 mg/L CaCO3, dan 90 mg/L CaCO3 selama 30 hari.  Hasil penelitian menunjukkan bahwa laju perumbuhan harian tertinggi diperoleh pada ikan yang dipelihara pada kesadahan 72 mg/L CaCO3 (1,15%) dibandingkan dengan perlakuan lainnya. Laju pertumbuhan harian ikan yang dipelihara pada kesadahan 54 dan  90 mg/L CaCO3 masing-masing mencapai 0,76% dan 0,37%.  Kelangsungan hidup ikan barb tidak dipengaruhi oleh kesadahan. Kata kunci: ikan barbir, Barbus conchonius, kesadahan, salinitas
Co-Authors D. Djokosetiyanto Kukuh Nirmala