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All Journal BIOTROPIA - The Southeast Asian Journal of Tropical Biology Jurnal Sosial Ekonomi Perikanan Panrita Abdi - Jurnal Pengabdian pada Masyarakat Jurnal Abdi Insani Kainawa: Jurnal Pembangunan & Budaya Media Akuatika: Jurnal Ilmiah Jurusan Budidaya Perairan Journal of Fish Health Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan Biodiversitas Journal of Biological Diversity
Hamzah, Muhaimin
Aquaculture Department Faculty Of Fisheries And Marine Sciences University Of Halu Oleo. Jl. HEA Mokodompit Kampus Bumi Tridharma Anduonohu Kendari 93232 South East Sulawesi Indonesia. Telp/Fax (0401) 3193782
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Effect of microalgae (Tetraselmis chui Butcher 1959) on growth and survival of nile tilapia (Oreochromis niloticus Linnaeus 1758) reared in low salinity biofloc system Wa Iba; Neneng Wahyuni; Muhaimin Hamzah; Michael A. Rice
Depik Vol 13, No 1 (2024): APRIL 2024
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.13.1.36981

Abstract

Addition of microalgae in the biofloc system may improve growth and survival of Nile tilapia. Also, culturing Nile tilapia in saline water biofloc system may be an adaptation for freshwater shortage. In this study, the growth and survival of Nile tilapia cultured in a low salinity biofloc system with added microalgae was investigated. Increasing salinity in the culture system was done by gradually adding sea water into acclimatization container (618 L, v) on weekly basis for 4 weeks until 9 psu salinity was reached. Tilapia were allowed to adapt to salinity change for one week and fed with commercial feed twice a day until satiation. The biofloc experiment was conducted with 3 microalgal density treatments (5, 15 and 25 104 cells. mL-1) in triplicates. Average initial weight of experimental fish was 4.82 0.76 g. Tilapia were reared for 40 days in aquaria (35 35 40 cm, l w h, 15 L, v) containing 8 individuals fish in each aquarium. The commercial pellets were delivered twice per day at 5% of tilapia biomass until satiation. T. chui was added to the tilapia culture every week. This study showed that the addition of microalgae did not affect the fish weight gain, specific growth rate and survival (p0.05). However, feed conversion ratio and culture productivity were better in tilapia supplied with weekly addition of T. chui at 15 104 cells mL-1 compared to other densities tested.Keywords:SalineBioflocMicroalgae
Growth performance and survival rate of striped eel catfish (Plotosus lineatus) in the domestication Asriyana Asriyana; Halili Halili; Muhaimin Hamzah; Agus Kurnia
Biodiversitas Journal of Biological Diversity Vol. 22 No. 12 (2021)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d221244

Abstract

Asriyana, Halili, Hamzah M, Kurnia A. 2021. Growth performance and survival rate of striped eel catfish (Plotosus lineatus) in the domestication. Biodiversitas 22: 5593-5599. The striped eel catfish, Plotosus lineatus, is one of the catfishes that live in coral reefs and have high economic value. The fish is available in the wild and can be domesticated to supply animal protein necessity. This study aims to determine the optimum catfish size that would support their domestication process based on growth performance and survival rate in controlled media. The catfish's total length and body weight were measured every two weeks within the 56 days of rearing. The experiment was conducted with a completely randomized design composed of three treatment groups (based on fish length size) and four replications, namely 3.5-4.0 cm (group A), 4.9-5.6 cm (group B), and 7.0-8.0 cm (group C) with a density of five fish per pond. Results indicated that the catfish could live in a saline water pond. The growth performance of treatment group B was higher than treatment group A and C with absolute length growth (Lm) values of 2.19±0.63 cm, the daily growth rate in length (DGRL) of 0.04±0.05 cm/day, relative growth rate (RGR) of 0.51±0.58%/day, and specific growth rate of (SGR) 1.63±0.74%/day. However, the highest survival rate was observed in the treatment C group (65.00±4.08%), followed by treatment group A (46.25±2.50) and B (31.00±7.42). These findings will assist in the domestication of striped eel catfish to support the conservation of striped catfish populations in the future.
Evaluation of Soybean Meal Substitution with Padina australis on Growth Performance and Feed Utilization Efficiency of Nile Tilapia (Oreochromis niloticus) La Ikhsan; Muhaimin Hamzah; La Ode Baytul Abidin
Journal of Fish Health Vol. 6 No. 3 (2026): Journal of Fish Health
Publisher : Study Program of Aquaculture, Department of Fisheries and Marine Science, Faculty of Agriculture, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jfh.v6i3.11079

Abstract

The increasing cost and sustainability concerns associated with conventional plant-protein ingredients have intensified the search for locally available functional feed materials for Nile tilapia. This study evaluated the effects of partially replacing soybean meal with the brown macroalga Padina australis meal on growth performance, feed utilization, and survival of Nile tilapia (Oreochromis niloticus). A 42-day feeding trial was conducted using a completely randomized design with four dietary treatments and three replicates. The treatments were TP-0 (30 g soybean meal; 100% soybean meal), TP-7.5 (7.5 g P. australis meal + 22.5 g soybean meal), TP-15 (15 g P. australis meal + 15 g soybean meal), and TP-22.5 (22.5 g P. australis meal + 7.5 g soybean meal). Fish with an initial body weight of 10.53 ± 0.34 g were stocked at six fish per aquarium and fed at 5% biomass day⁻¹. The measured variables included survival rate, weight gain, specific growth rate, feed intake, feed conversion ratio, and feed efficiency. Dietary treatment did not significantly affect any measured parameter (P > 0.05). Nevertheless, TP-7.5 produced the most favorable biological response, as indicated by the highest weight gain (6.21 ± 1.09 g), the highest specific growth rate (2.28 ± 0.21% day⁻¹), the lowest feed conversion ratio (3.75 ± 0.37), and the highest feed efficiency (26.81 ± 2.48%). These findings indicate that P. australis meal can be considered a low-inclusion functional ingredient in Nile tilapia diets, although higher inclusion levels require further nutritional optimization through balanced protein and energy formulation.
Co-Authors Abdul Sarifin Abdullah Abdullah Agus Kurnia Agus Kurnia Agus Kurnia Agus Kurnia Akhmad Mansyur Amadhan Takwir Asjun Asmariani Asmariani Asriyana Asriyana Asriyana, . Bana, Sahindomi Budiyanto Dedy Oetama Edi Edi Fatmawati Findra, Muhammad Nur Gandri, La Halili Halili Haslianti Haslianti, Haslianti Hasnia Arami Herlan Hidayat Indriyani Nur Irdam Riani, Irdam Jarfin Jarfin La Ikhsan La Ode Abdul Rajab Nadia La Ode Baytul Abidin La Ode Baytul Abidin La Ode Baytul Abidin Laode Muhamad Hazairin Nadia Mangurana, Wa Ode Intiyani Michael A. Rice Muhammad Arif Muhammad Trial Fiar Erawan Muslim Tadjudah Neneng Wahyuni Oce Astuti Patadjai, Rahmad Sofyan Siti Manfus Suwarjoyowirayatno, Suwarjoyowirayatno Tri Yulianingsih Wa Iba Waode Nilda Arifiana Effendy Wellem H. Muskita Yusnaini Yusnaini