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Fris Johnny
Balai Besar Riset Perikanan Budidaya Laut, Gondol
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Immunology & microbiology

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APLIKASI BAKTERIN DALAM PEMELIHARAAN LARVA KEPITING BAKAU (Scylla paramamosain) SKALA MASSAL Zafran Zafran; Des Roza; Fris Johnny; Ketut Mahardika; lbnu Rusdi
Jurnal Penelitian Perikanan Indonesia Vol 10, No 2 (2004): (Vol. 10 No. 2 2004)
Publisher : Pusat Riset Perikanan, BRSDM KP.

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3861.884 KB) | DOI: 10.15578/jppi.10.2.2004.71-75

Abstract

Suatu penelitian untuk mengetahui efektivitas bakterin bagi pengendalian infeksi bakteri pada larva kepiting bakau (Scylla paramamosarn) dalam pemeliharaan skala massal telah dilakukandi hatcheri kepiting Balai Besar Riset Perikanan Budidaya Laut, Gondol-Bali. Larva kepiting bakau yang baru menetas direndam dalam suspensi bakterin dengan konsentrasi 107 cfu/mL selamaliga iam dan selanjutnya dipelihara dalam bak volume 300 L. Sebagai kontrol adalah larva yang tidak diberi perlakuan bakterin.
Pengaruh Hormon LHRH-A dan 17α-MT Terhadap Respon Imun Non-Spesifik Induk Ikan Kerapu Lumpur, Epinephelus coioides Fris Johnny; Agus Priyono; Des Roza
Jurnal Perikanan Universitas Gadjah Mada Vol 9, No 1 (2007)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.61

Abstract

The aim of this research was to find out the influence of the chronic hormone LHRH-a and 17α-MT on non-specific immune response of mangrove grouper, Epinephelus coioides broodstock. Female and male fish weight used in this experiment ranged 4.7-10.4 kg and 10.4-17.8 kg, respectively. The female fish were treated with hormone 17α-MT at a dosage of 50 µg/kg body weight, while the male fish treated with hormone LHRH-a at dosages of 50 and 100 µg/kg body weight. Fish were kept separately in two concrete tanks contained 100 m³ sea water, and 2 meters depth. The stocking density was 15 fishes/tank with male and female ratio 1 : 2. The blood samples were colected before treatment by hormone and every two months, subsequently. The non-specific immune response parameters evaluated were phagocytic activity (PA), phagocytic index (PI), and lysozyme activity (LA). Results indicated that chronic hormone could increase non-specific immune response especially phagocytic activity up to 17.3%.
Co-Authors Agus Prijono Agus Priyono Des Roza Haryanti Haryanti Ketut Mahardika Ketut Suwirya lbnu Rusdi lsti Koesharyani Muhammad Marzuqi Nyoman Adiasmara Giri Tridjoko Tridjoko Zafran Zafran