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All Journal Jurnal Ilmu dan Teknologi Kelautan Tropis Fisheries : Jurnal Perikanan dan Ilmu Kelautan
Anak Agung Alit
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Earth & Planetary Sciences Library & Information Science Social Sciences

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GROWTH AND SURVIVAL RATE OF GOLDEN TREVALLY, Gnathannodon Speciosus Forsskal WITH DIFFERENT LENGTH SIZE Anak Agung Alit
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 5 No. 2 (2013): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (201.312 KB) | DOI: 10.29244/jitkt.v5i2.7568

Abstract

Golden travelly is a type of fish that can live on the surface, belongs to Carangidae family, for a length of 5-8 cm can function as marine ornamental fish with the name of yellow crime or yellow samba, and can be  used for consumption. The study was conducted to determine the effect of length on the initial stocking of fish seed to the growth and survival rate of golden travelly. Fish samples were cultured fish golden travelly of 45 days old hatchery and stocked with density of 300 pc/tank in 9 tanks with volume of 1 m³ feber/tanks. Golden travelly were fed with commercial fish by feeding frequency of 3 times/day untill satiation. The tested treatments were based on initial different lengths i.e., treatment A (1.5 to 2.0 cm/pc), B (2.5 to 3.0 cm/pc), and C (3.5 to 4,0 cm/pc). Feeding was based on 10-15 % of body weight. Measured variables were body length growth, survival rate, and quality of water. Growth and survival rate were analysed using analyses of variance (ANOVA). The results showed that the growth rate of fish golden travelly Gnathannodon speciosus Forsskal was best at treatment B (2.5 to 3.0 cm/pc) with 7% per day and 92% survival rate. Keywords: fish seed golden trevally, tanks , growth, and survival.
NURSERY TECHNIQUES WITH JUVENILE CORAL TROUT, Plectropomus leopardus WITH DIFFERENT TYPES OF FOOD Anak Agung Alit; Ketut Maha Setiawati; Tony Setia Dharma
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 6 No. 2 (2014): Electronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (84.303 KB) | DOI: 10.29244/jitkt.v6i2.9013

Abstract

ABSTRACT Feed management is a critical factor in the nursery activities because food serves as an energy for growth and survival rates. The study aimed to determine the best feeding to improve growth and survival rates. Cultured of coral trout grouper seeds were used for this research in 9 fiber tubs each of  0.8 tonnes of sea water volume with 3 treatments and 3 replicates. The feeding treatments were (a) commercial feeding pelle; (b) trash fish; and (c) feeding combinations (50% pellets and 50% trash fish). The initial length of coral trout grouper seeds were 3 cm long. The pellet used was a commercial pellet with dose of 5-10% biomass, while the trash fish was clupeid fish. Feeding times were twice a daya at 08:00 and 16:00 local time. A complete random design was used as an experiment design. Data was analysed using ANOVA and descriptive statistics. Water qualities during larva rearing included water temperature, pH, salinity, DO, ammonia, nitrite, and phosphate. The results showed that growth dan survical rates was significantly affected by combination feeding method (50% pellet and 50% trash fish) with growth rate of 0.08% cm/day and survival rate of 60.20±2.34%. Keywords: Feed, trash fish, juvenile coral trout grouper, growth, and survival.
PENDEDERAN BENIH KERAPU SUNU, Plectropomus leopardus DENGAN UKURAN PANJANG TUBUH BERBEDA DI DALAM BAK TERKONTROL Alit, Anak Agung
FISHERIES Jurnal Perikanan dan Ilmu Kelautan Vol 2 No 2 (2020): Oktober
Publisher : Universitas Hang Tuah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30649/fisheries.v2i2.41

Abstract

Ikan kerapu sunu merupakan komoditas perikanan yang mempunyai nilai ekonomis tinggi, namunpopulasi di alam sudah menurun. Tujuan penelitian ini adalah untuk mengetahui pengaruh ukuranpanjang pada awal tebar terhadap pertumbuhan dan sintasan benih ikan kerapu sunu yangdihasilkan dengan kualitas baik. Penelitian ini telah dilakukan dengan wadah percobaandigunakan adalah tangki fiber dengan ukuran 0,5 m³ sebanyak 6 bak. Hewan uji digunakan dalampenelitian adalah benih kerapu sunu dari hasil budidaya. Perlakuanyang dicobakan adalah A = Totalpanjang badan awal rata-rata 3.00 cm, perlakuan B = Total panjang badan awal tebar rata-rata 4.10cm. Benih ikan sunu dipelihara di tangki fiber. Jenis pakan yang diberikan berupa pakan peletkomersial dengan kandungan protein 48%. Frekuensi pemberian pakan 3 kali sehari. Kepadatanmasing-masing tangki 50 ekor/0.5m³ Penelitian menggunakan rancangan diskriptif dengan 2perlakuan, masing-masing perlakuan diulang 3 kali. Data dianalisis dengan menggunakan ANOVA.Hasil penelitian menunjukkan bahwa total panjang tubuh 4,10 cm awal tebar terbaik, dibandingdengan total panjang tubuh 3.00 cm pada awal tebar.
Co-Authors Ketut Maha Setiawati Tony Setia Dharma