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All Journal Journal of Aquaculture Management and Technology Jurnal Lemuru : Jurnal Ilmu Perikanan dan Kelautan Indonesia Authentic Research of Global Fisheries Application Journal (Aurelia Journal) Jurnal Bisnis Mahasiswa Jurnal Penelitian Chanos Chanos Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan ABDIMAS KAUNIAH
Asep Akmal Aonullah
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Engineering Environmental Science Immunology & microbiology Mechanical Engineering Social Sciences Other

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THE GROWTH PERFORMANCE OF WHITE SNAPPER (Lates calcarifer) FINGERLINGS IN ODE AQUACULTURE AND AGRICULTURE HATCHERY UNIT, BRUNEI-MUARA BRUNEI DARUSSALAM DISTRICT Ritonga, Lusiana BR; Harijono, Teguh; Asmarany, Anja; Widodo, Agus; Aonullah, Asep Akmal; Akbar, M.Baihaqi; Affisramyraj, Rizky
Aurelia Journal Vol 7, No 1 (2025): April
Publisher : Politeknik Kelautan dan Perikanan Dumai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/aj.v7i1.14754

Abstract

White snapper (Lates calcarifer) is a high value aquaculture commodity with increasing market demand. This study aimed to analyzed the growth performance of white snapper fry during the nursery phase at the ODE Aquaculture and Agriculture Hatchery Unit, Brunei-Muara District, Brunei Darussalam, from March to June 2023.The nursery utilized controlled fiberglass tanks equipped with aeration and a flow-through water system. Two types of tanks were used: rectangular tanks measuring 4 × 1.5 × 1 m (capacity: 6,000 L) and circular tanks with a diameter of 2 m (capacity: 3,140 L). A total of 100,000 fry were stocked, with 30,000–40,000 fry per tank. Observed parameters included survival rate (SR), absolute length growth rate, absolute weight growth rate, specific growth rate (SGR), and feed conversion ratio (FCR). Water quality parameters measured were temperature, salinity, and pH. Results indicated an absolute length growth rate of 1.2 cm/week, surpassing previous studies reporting only 0.4 cm/week. The absolute weight growth rate was 1.3 g/week, exceeding the 0.6–1 g/week range reported in other research. The FCR was 0.33, demonstrating excellent feed efficiency. However, the survival rate was 30.77%, below the standard for controlled nursery systems (>50%), likely due to high stocking density and cannibalism. Harvest size ranged from 8 to 9 cm. Water quality remained stable, with temperatures between 31–32.5°C, pH levels from 7.6–8.3, and salinity ranging from 30–32 ppt. Despite the low survival rate attributed to high stocking density, the nursery phase at this facility achieved commendable growth rates compared to previous studies. This success is supported by stable water quality and the provision of high-protein feed.
WATER QUALITY AND VIBRIO DYNAMICS IN VANNAMEI SHRIMP HATCHERY AT PT DELTA WINDU PURNAMA, SITUBONDO Dwi Saputro, Nella Azzahra; Suprakto, Bambang; Aonullah, Asep Akmal
Aurelia Journal Vol 7, No 2 (2025): October
Publisher : Politeknik Kelautan dan Perikanan Dumai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/aj.v7i2.15680

Abstract

Vannamei shrimp (Litopenaeus vannamei) is a high-value aquaculture commodity. However, during the post-larval rearing phase, fluctuations in water quality and high abundance of Vibrio can cause stress and larval mortality. Therefore, evaluation of rearing practices and water quality is important to support successful juvenile shrimp production. This study aims to evaluate water quality, health, and growth of vannamei shrimp juveniles during the post-larval rearing period. Rearing was conducted from PL4–5 to PL10–11 using three tanks measuring 6 x 4 x 2 meters (water volume 40 tons), each labeled A6, B4, and B11. The fry quality results showed that all tanks achieved grade A, with optimal stadia development and gut muscle ratio. Observations on juvenile shrimp health revealed no necrosis, low Vibrio infection, and high stress resistance. Observations on post-larval growth showed an average length of 7.76–9.27 mm and an average survival rate of 88%, exceeding the minimum standard of SNI 7311:2009. Therefore, effective water quality management and control of Vibrio abundance during the rearing period of shrimp post-larvae can significantly improve the survival rate and quality of vannamei shrimp post-larvae.
Co-Authors Affisramyraj, Rizky AGUS WIDODO Akbar, M.Baihaqi Aldri Frinaldi Anam, M. Khairul Annisa' Bias Cahyanurani Arifin, Moh. Zainal Asmarany, Anja Bawazir, Ach. Faizal Maulana BR Ritonga, Lusiana Brahmana, Aditya Cahyanurani, Annisa Bias Dwi Saputro, Nella Azzahra Edy, Moch. Heri Fahruddin, Faisal Halim, Atika Marisa Harijon, Teguh Harijono, Teguh Ihtifazhuddin, Muhammad Ikhwan Indrajati, Yvonne Kuniaji, Ardana M. Zainal Arifin Manida, Aliyati Mustafa, Septien Gita Nasuki, Nasuki Nazran Nazran, Nazran Nisa, Andina Chairun Pattinaja, Yvonne Indrajati Primasari, Kartika Puspitasari, Asthervina Widyastami Renitasari, Diana Putri Ritonga, Lusiana BR Rizky, Putri Nurhanida Sarjito - Slamet Budi Prayitno Suprakto, Bambang Ture, Maria Rosaistica Yulira, Wina Yunarty Yunarty, Yunarty