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All Journal Media Akuakultur Journal Of Aquaculture Development and Environment Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan
Asep Akmal Aonullah
Politeknik Kelautan dan Perikanan Sidoarjo
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Education Engineering Environmental Science

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GROWTH MONITORING OF SAND LOBSTER (Panulirus homarus) USING THE BOTTOM CAGE METHOD IN THE EXAMPLE UNIT OF MARINE LOBSTER CULTIVATION, BANYUWANGI REGENCY, EAST JAVA PROVINCE Asep Akmal Aonullah
Journal of Aquaculture Development and Environment Vol 4, No 2 (2021): Journal Of Aquaculture Development And Environment
Publisher : Universitas Tidar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31002/jade.v4i2.4794

Abstract

With the high demand for sea lobster as the industry has developed, Indonesia has an opportunity to establish the world's largest lobster aquaculture production. Therefore, a study related to the growing-out of lobster and also the development of engineering technology of lobster enlargement is needed. This study aims to determine the growth performance of Panulirus homarus reared in a bottom cage method. Lobsters with an average size of 116,25 g were reared for 150 days and fed with trash fish of 3%-4% of the biomass daily. The results showed that the use of the bottom cage method had positive effects on the survival rate, average body weight, specific growth rate dan food conversion ratio was 85%, 170 g, 0.25 g per day and11.16 respectively. The water quality is also was still within the suitable range for lobster rearing.
APLIKASI PADAT TEBAR BERBEDA PADA PEMBESARAN IKAN SIDAT (Anguilla bicolor) DENGAN SISTEM AIR MENGALIR Fitria Nawir; Asep Akmal Aonullah; Yunarty Yunarty
Media Akuakultur Vol 18, No 1 (2023): Juni, 2023
Publisher : Pusat Riset Perikanan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/ma.18.1.2023.9-14

Abstract

Penelitian ini bertujuan untuk mengetahui padat tebar optimal terhadap pertumbuhan ikan sidat dengan sistem air mengalir pada fase pembesaran. Ikan uji yang digunakan yaitu ikan sidat (Anguilla bicolor) dengan bobot ±59 g dan keseragaman ukuran ±80% yang diperoleh dari hasil tangkapan alam di daerah Cilacap. Metode uji yang digunakan adalah eksperimental skala lapang dengan padat tebar yang digunakan yaitu B1 (3,41 g L-1 atau 34 ekor m-2) dan B2 (3,62 g L-1 atau 36 ekor m-2). Pemeliharaan dilakukan selama enam bulan pada bak fiber persegi panjang berukuran 5,8 m × 0,85 m × 1,12 m. Respon yang diamati meliputi laju pertumbuhan spesifik (LPS), tingkat kelangsungan hidup (TKH) dan rasio konversi pakan (RKP). Hasil penelitian menunjukkan bahwa perlakuan B2 (3,62 g L-1) menghasilkan nilai LPS dan RKP yang lebih baik dibandingkan perlakuan B1 (3,41 g L-1), dimana nilai LPS dan RKP yang diperoleh yaitu sebesar 0,42% hari-1 dan 4,64. Perbedaan padat tebar tidak memberikan pengaruh terhadap TKH ikan sidat, dimana nilai TKH untuk semua perlakuan mencapai 100%.This study aims to determine the optimal stocking densities of eel (Anguilla bicolor) with a running water system in the grower stage. The test fish used were eels with a weight of ±59 g and size homogeneity of ±80% obtained from natural catches in the Cilacap area. The test method used was field-scale experimental with stocking densities used as B1 (3,41 g L-1 or 34 fish m-2) and B2 (3,62 g L-1 or 36 fish m-2). The rearing was conducted for six months in rectangular fiber tanks measuring 5,8 m × 0,85 m × 1,12 m. Responses observed included specific growth rate, survival rate, and feed conversion ratio. The results showed that treatment B2 (3,62 g L-1) with higher stocking density produced higher SGR and FCR than treatment B1 (3,41 g L-1) at 0,42% day-1; 4,64 and 0,37% day-1; 5,84, respectively. Differences in stocking density in this study are also known to have no effect on eel survival, in which SR values during the rearing of all treatments reached 100%.
The effect of differences in silvofishery pond types and gender on the growth performance of mud crabs (Scylla serrata) Asep Akmal Aonullah; Annisa Bias Cahyanurani; Andina Chairun Nisa; Diana Putri Renitasari; Asthervina Widyastami Puspitasari; Aditya Brahmana
Depik Vol 14, No 1 (2025): MARCH 2025
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.14.1.43295

Abstract

Mangrove crabs are one of the important fisheries commodities in Indonesia which have made a significant contribution to the lives of coastal communities. This study aims to analyze differences in growth performance of mud crabs reared in different silvofishery ponds to find out the effect of gender and to determine the interaction patterns between silvofishery pond type and gender. This research method uses a Factorial Randomized Block Design (FRBD) which consists of two factors, namely pond type (core pond, trench pond) and sex (male, female) so that it has 6 treatment combinations and 3 replications for each treatment. The initial weight of the test mud crab was 70-75 g. Test animals were kept for 56 days in crab baskets. The results showed that the interaction between pond type and sex had a significant influence on daily growth rate and absolute weight growth but did not significantly influence the feed conversion ratio and feed utilization efficiency. Duncan's further tests showed that the type of pond had a real influence on the feed conversion ratio and feed utilization efficiency. The best Feed Conversion Ratio was found in the core pond treatment with 3.80 1.05 with the highest feed utilization efficiency of 27.67 3.23 %.The survival rate shows values that are not significantly different between all treatments (86.67 100%.). The water quality measurement values during the research were still optimal for the growth of male and female mud crabs. Treatment of core ponds with female crabs (T2K2) showed the best performance in terms of daily growth rate and absolute weight growth of mud crabs. Core pond treatment with female crabs showed the highest daily growth results of 0.82% 0.01% and absolute growth of 42.00 1.00.Keywords:Mud crabSilvofisheryCore PondDitch PondGenderGrowth
Co-Authors Aditya Brahmana Andina Chairun Nisa Annisa' Bias Cahyanurani Diana Putri Renitasari Fitria Nawir Puspitasari, Asthervina Widyastami Yunarty Yunarty