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Kusen, Diane J.
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Environmental Science

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 1 
Penggunaan tepung daun kedondong laut beda komposisi terhadap pertumbuhan ikan Nila (Oreochromis niloticus) Pasiali, Andris; Lumenta, Cyska; Kusen, Diane J.
e-Journal BUDIDAYA PERAIRAN Vol 7, No 1 (2019)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/bdp.7.1.2019.27197

Abstract

The aim of the study was to determine the effect of different compositions of kedondong laut leaf flour in feed formulations on absolute growth, daily growth, relative growth, feed efficiency, food conversion ratio. The test animals used were Nile tilapia with a size of 3-5cm in length and weigh between 1.3 - 2 g.  Fish were stocked in nets measuring 50x50x50 cm3 with a density of 10 fish each.  Fish were obtained from the Tatelu Aquaculture Fisheries Center, Dimembe District, North Minasaha Regency. The study was conducted by an experimental method using a complete randomized design (CRD).  The treatments consisted of A without addition of kedondong laut leaves flour, Treatment B with addition of 10% kedondong laut leaf flour, Treatment C with addition of 20% kedondong laut leaf flour, Treatment D with addition of 30% kedondong laut leaf flour. The results of the experiment showed that treatment B was the best where absolute growth (23%), relative growth (287.3%), daily growth (3.93%), feeding efficiency (95.83 %) and food conversion ratio (1,044). Water quality during the experiment was in a reasonable range where the water temperature during experiment was 26oC, pH 7-8
Kelayakan lokasi budidaya ikan Kuwe (Caranx sp.) ditinjau dari parameter fisika kimia kualitas air pada karamba jaring apung di Desa Tuntung Timur Kabupaten Bolaang Mongondow Utara Datunsolang, Frayogi; Kusen, Diane; Kalesaran, Ockstan J.; Undap, Suzanne L.; Sambali, Hariyani; Wantasen, Adnan S.; Salindeho, Indra
e-Journal BUDIDAYA PERAIRAN Vol 9, No 2 (2021)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/bdp.9.2.2021.34127

Abstract

This study aimed: (1) to analyze the physical and chemical parameters of water quality of the giant travelly fish (Caranx sp) culture area in floating net cages (KJA) in Tuntung Timur Village, Bolaang Mongondow Utara Regency, and (2) to analyze the feasibility of water quality of the giant travelly fish (Caranx sp) in east Tuntung Village, North Bolaang Mongondow Regency. The  physical and chemical parameters of water at the cultivation site of Caranx sp in floating net cages were measured in situ, including temperature, salinity, brightness, dissolved oxygen and pH. Chemical physics parameters in floating net cages, namely: temperature ranges from 28.6 oC - 33.3 oC, salinity 30 - 33 0/oo, pH 7.6 - 7.9, oxygen content 3, 9 - 4.3 mg / l and water transparency of 7.4 m - 9.9 m. The giant travelly fish aquaculture in KJA in east Tuntung village is an enlargement activity, the seeds were stocked from bagan and the surrounding waters, the size of the seeds ranged from 8-12 cm, and the stocking density was 500-600 fish. Maintenance was carried out for 5-6 months and harvested at sizes 300-4000 gr/individu. The water quality surrounding KJA was ideal for fish farming activities.
Co-Authors Adnan Wantasen Cyska Lumenta Datunsolang, Frayogi Indra Salindeho Ockstan J. Kalesaran Pasiali, Andris Sambali, Hariyani Suzanne L Undap