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INDONESIA
Jurnal Perikanan dan Kelautan
Published by Universitas Sultan Ageng Tirtayasa
ISSN : 20893469     EISSN : 25409484     DOI : http://dx.doi.org/10.33512/jpk
Core Subject : Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Decision Sciences, Operations Research & Management Environmental Science
JPK accommodate the result of research and review of fisheries and marine, with the focus and scope : 1. Management and Technology Aquaculture 2. Fisheries Resource Management 3. Fishery Products Processing 4. Fishing Technology and Management 5. Marine Technology and Science
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Perairan
Articles 12 Documents
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Search results for , issue "Vol 10, No 2 (2020)" : 12 Documents clear
Apllication of Ovaprim and Oxytocin Hormone for Gonadal Maturation and Embryogenesis of the Pomfret (Colossoma mropomum) Mustahal Mustahal; Mas Bayu Syamsunanrno; Ariq Dwi Wijanarko
Jurnal Perikanan dan Kelautan Vol 10, No 2 (2020)
Publisher : JURNAL PERIKANAN DAN KELAUTAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/jpk.v10i2.9439

Abstract

The pomfret fish have been widely cultured by fish culturist in Indonesia. However, the gonadal maturation have faced the obstacles with the hormone supplies for the culturists. Therefore, the purpose of this study was to determine the dose of ovaprim and the oxytocin hormone in accelerating gonadal maturation as well the embryogenesis of  the pomfret fish by semi-natural spawning methods. The study was conducted from September to November 2019 at the Laboratory of Fish Seedling Production, at  Baros District, Serang Regency. The number of fish used was 18 fishes (12 males and 6 females), for each spawning treatment have been used 2 males and 1 female. The experiments were using a completely randomized design (CRD) consisting of 2 combinations of treatments and 2 replications. The treatments used were as follows: 0.5 ml / kg ovaprim (K), 0.5 ml / kg ovaprim + 0.25 ml / kg oxytocin (P1), 0.25 ml / kg ovaprim + 0.25 ml / kg oxytocin (P2). The results showed that the use of combination of ovaprim and oxytocin (P1 and P2) was able to stimulate the maturity and spawning of the pomfret fish. The oxytocin injection to induce the spawning have been increased the latency time and increased the fecundity of the pomfret fish. The best hormonal combination treatment in resulting the gonadal maturation and egg hatching was that of  the P2 with the fastest latency time was 614.50 ± 13.44 minutes, the fecundity was 460,134 ± 72,597, fertilization rate  was 80.28 ± 3.11% and hatching rate was 77.08 ± 0.16%.
Characteristic Of Shrimp Catch Of Sondong In Kampung Laut Village Tanjung Jabung Timur Regency Depison Depison; Bella Pratiwi Putri; Lisna Lisna
Jurnal Perikanan dan Kelautan Vol 10, No 2 (2020)
Publisher : JURNAL PERIKANAN DAN KELAUTAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/jpk.v10i2.8640

Abstract

Kampung Laut is an area where fishing activities are done. Fishermen get profit by catching shrimp. One of the tools used is sondong. The kinds of shrimp that are widely catched in there are lime, dogol, and yellow shrimp. The important thing in catching shrimp is paying attention to its size. The suitable size for the catching is a goal in the management of good fisheries to conserve shrimp resources in water. This study aims to see the characteristics of the shrimp caught by sondong in Kampung Laut, Tanjung Jabung Timur Regency. Method used is simple random sampling, the number of shrimp samples taken is 10% of the total catch per shrimp species. The results showed that the lime shrimp taken with a sondong fishing tool in the Kampung Laut, collected 9,10-14,80 cm with a percentage of shrimp worth capturing 61%. The size of the dogol shrimp caught in the range of 8.70-14.00 cm with a percentage of shrimp worth catching 60%. The size of the yellow shrimp is around 7.50-12.00 cm with the percentage of shrimp worth catching 53%. The correlation coefficient value of lime shrimp weight length is 2.89, dogol shrimp 2.30, and yellow shrimp 2.27. The conclusion is shrimp taken with sondong fishing tool in Kampung Laut has various sizes, ranging from small to large sizes. The growth patterns of lime shrimp, dogol shrimp, and yellow shrimp showed negative allometric growth properties. Percentage of shrimp size that is catchable is greater compared to uncatchable shrimp.

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