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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 13, No 1 (2023)" : 12 Documents clear
STRUKTUR DAN UKURAN LAYAK TANGKAP UDANG JERBUNG (Penaeus merguiensis) DI PERAIRAN MENDAHARA ILIR Dea Tri Ananda; Depison Depison; Lisna Lisna; Nelwida Nelwida; Muhammad Hariski
Jurnal Perikanan dan Kelautan Vol 13, No 1 (2023)
Publisher : JURNAL PERIKANAN DAN KELAUTAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/jpk.v13i1.16980

Abstract

Mendahara Ilir area is one of the areas in East Tanjung Jabung which has a high enough potential for shrimp, one of which has high economic value is Jerbung Shrimp. It is feared that the increasing activity of catching Jerbung shrimp will lead to overfishing. One of the important things in catching fish is paying attention to the size structure of the caught shrimp. The size of shrimp suitable for capture is a reference in the management of capture fisheries for the sustainability of shrimp resources in the future. This study aims to determine the structure and size suitable for catching Jerbung shrimp using Sondong fishing gear in Mendahara Ilir waters. This study used the Simple Random Sampling method, that is, the number of samples taken was 10% of the total catch of Jerbung prawns. The results showed that Jerbung prawns caught using Sondong fishing gear were in the range of 100-156 mm. The coefficient value of the correlation between length and weight of Jerbung prawns is 2.3 which indicates that the growth pattern of Jerbung prawns is negative allometric. The percentage of suitable size for catching is 78% and not suitable for catching is 22%. The conclusion of this study is that the percentage of Jerbung shrimp size suitable for catching is greater than not suitable for catching but in this study it has not been included in the good criteria.
Efektivitas pakan moist berbasis singkong dan keong pada budidaya lobster air tawar (Cherax quadricarinatus) Novita MZ; Neneng Nurbaeti; Saepul Miptah; Damar Maulana Yahya; Gilang Ramadhan
Jurnal Perikanan dan Kelautan Vol 13, No 1 (2023)
Publisher : JURNAL PERIKANAN DAN KELAUTAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/jpk.v13i1.22280

Abstract

The  feed plays a critical role in the success of freshwater lobster cultivation, but it often presents challenges due to its relatively high cost, accounting for up to 60% of production expenses. To address this issue, farmers in Sukabumi have devised various alternative feeds by harnessing different protein sources to reduce the expenditure on commercial pellets. One such innovation is a moist feed composed of a blend of pellets, cassava, and snails in a ratio of 1:1:1.4. However, there hasn't been prior testing of its nutritional content. Consequently, this study aims to evaluate the nutritional composition of this moist feed and assess its impact on the growth of freshwater lobsters as well as water quality. For this research, a total of 300 lobsters, ranging in size from 7 to 10 grams, were reared in fiberglass tanks. The lobsters were fed twice daily. The proximate analysis of the cassava and snail-based moist feed revealed protein content (20.52%), fat (2.61%), carbohydrates (12.87%), moisture content (50.64%), and ash content (13.36%). The lobsters exhibited a growth rate of 0.3% per day, and the water quality remained favorable, with parameters such as temperature (23-25°C), pH (6.5-7), dissolved oxygen (5-7 mg/L), nitrate (1.907 mg/L), nitrite (0.141 mg/L), ammonia (0.442 mg/L), phosphate (0.032 mg/L), and alkalinity (237.4 mg CaCO3/L) within acceptable ranges. These findings suggest that the moist feed provided by farmers lacks sufficient protein content to fully meet the nutritional requirements of lobsters, resulting in slower growth. On the other hand, water quality remains conducive for successful lobster farming.

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