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All Journal JOURNAL OF COASTAL DEVELOPMENT JURNAL VOKASI ILMU-ILMU PERIKANAN (JVIP) Student Research Journal
Marcelien Dj. Ratoe Oedjoe
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Religion Agriculture, Biological Sciences & Forestry Humanities Economics, Econometrics & Finance Education Environmental Science Social Sciences

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EFFECT OF FLOW WATER VELOCITY ON HEMATOLOGY COMPONENT IN IMPROVING QUALITY OF TIGER GROUPER JUVENILE (Epinephelus fuscoguttatus) Marcelien Dj. Ratoe Oedjoe; E. Suprayitno; Aulanni' am; E.Y. Herawati
JOURNAL OF COASTAL DEVELOPMENT Vol 15, No 3 (2012): Volume 15, Number 3, Year 2012
Publisher : JOURNAL OF COASTAL DEVELOPMENT

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (294.404 KB)

Abstract

The flow water velocity is closely correlated to oxygen  demand. Oxygen plays an important role as the indicator of fish blood. The objective of research is to acknowledge red blood cell, hematocrit, hemoglobin, and white blood cell of grouper larvae given with flow water velocity treatments.  Research begans from June 2011 to September 2011 at Lampung Marine Aquaculture Center. Juvenile with 7-9 cm length and 15-17 g/fish weight were tested using complete random design with three treatments of flow water  velocity, i.e. 1.25 m/sec (A), 1.00 m/sec (B), and 0.75 m/sec and control treatment. All treatments had 3 replications. Result of research indicates that flow water velocity had obvious effect on red blood cell, hematocrit, hemoglobin, and white blood cell. Red blood cell total was the highest in treatment of 1.25 m/second, counted for 2,922,666 cells/ml. It was  followed by treatment B with 2,816,000 cell/ml, treatment C with 2,763,000 cell/ml and control with 2,573,333 cell/ml.  The highest hemoglobin was found in treatment A, followed by B, C, and control treatments. The highest hematocrit rate was seen in treatment A, followed by B, C and control treatments. The highest white blood cell total was discovered in control, followed by C, B and A treatments.
Pengaruh Bobot Bibit Awal Kappaphycus alvarezii terhadap Pertumbuhan, Kandungan Karagenan dan Komposisi Proksimat Melati Ngaddi; Marcelien Dj. Ratoe Oedjoe; Welem L. Turupadang
JURNAL VOKASI ILMU-ILMU PERIKANAN (JVIP) Vol 6, No 1 (2025): November 2025
Publisher : Politeknik Pertanian Negeri Kupang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35726/jvip.v6i1.7489

Abstract

Penelitian ini bertujuan untuk menganalisis pengaruh bobot bibit awal Kappaphycus alvarezii terhadap pertumbuhan, kandungan karagenan, dan komposisi metabolit primer. Penelitian dilaksanakan selama 45 hari (Mei–Juli 2024) di Perairan Hansisi-Semau, Kabupaten Kupang. Percobaan menggunakan Rancangan Acak Lengkap (RAL) dengan tiga perlakuan bobot bibit awal, yaitu 50 g (A), 100 g (B), dan 150 g (C), masing-masing tiga ulangan. Parameter yang diamati meliputi pertumbuhan berat mutlak, laju pertumbuhan spesifik (SGR), dan kadar karagenan. Data dianalisis menggunakan ANOVA pada taraf kepercayaan 95% dan dilanjutkan dengan uji Beda Nyata Terkecil (BNT) apabila berbeda nyata. Hasil penelitian menunjukkan bahwa bobot bibit berpengaruh signifikan terhadap pertumbuhan berat mutlak (p<0,05). Pertumbuhan tertinggi diperoleh pada perlakuan 150 g (115,0 g), diikuti 100 g (111,3 g), dan 50 g (93,3 g). Sebaliknya, laju pertumbuhan spesifik tertinggi diperoleh pada bobot 50 g (2,34%/hari). Kandungan karagenan tertinggi terdapat pada perlakuan 100 g (32,7%) dan terendah pada 150 g (28,6%). Analisis proksimat pada perlakuan dengan pertumbuhan terbaik menunjukkan kandungan karbohidrat 45,9%, protein 8,2%, lemak 5,7%, dan abu 39,9% (berat kering). Disimpulkan bahwa bobot bibit awal mempengaruhi pertumbuhan dan kandungan karagenan K. alvarezii, dengan bobot 100 g direkomendasikan sebagai bobot optimal karena menghasilkan keseimbangan antara pertumbuhan dan kandungan karagenan.Kata kunci: bobot bibit, pertumbuhan, karagenan, proksimat, Kappaphycus alvarezii
Budidaya Kappaphycus Striatum Hasil Pembenihan Kombinasi dengan Ulva Lactuca dan Sargassum Sp. di Perairan Pulau Semau, Kabupaten Kupang Elisabeth Purnamawati Miming; Marcelien Dj. Ratoe Oedjoe; Welem L. Turupadang
Student Research Journal Vol. 4 No. 4 (2026): Agustus: Student Research Journal
Publisher : Sekolah Tinggi Ilmu Administrasi (STIA) Yappi Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/srj-yappi.v4i4.2929

Abstract

This study analyzed the effects of combining Ulva lactuca and Sargassum sp. during nursery culture on the growth, production, and incidence of ice-ice disease in Kappaphycus striatum. The experiment was conducted from August to October 2025 in the coastal waters of Batu Hopon, Huilelot Village, Semau Island, Kupang Regency. A randomized block design comprising four treatments and five replicates was employed. Seedlings were maintained in floating net cages for 21 days under four combination levels: P0 as the control, P1 as the low level, P2 as the medium level, and P3 as the high level. The seedlings were subsequently cultivated using the longline method for 45 days. ANOVA showed significant treatment effects on absolute growth (p=0.032) and production (p<0.05), but not on average daily growth (p=0.33) or specific growth rate (p=0.79). Production under P0, P1, P3, and P2 was 1,632, 1,405, 1,185, and 976 g/m, respectively. The LSD test showed that P0 differed significantly from P2 and P3, but not from P1. Ice-ice incidence ranged from 8% to 13% and was lowest under P2. P1 was the most effective combination, although it did not outperform the control.
Co-Authors Aulanni&#039; am E. Suprayitno E.Y. Herawati Elisabeth Purnamawati Miming Melati Ngaddi Welem L. Turupadang