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All Journal Jurnal Akuakultur Indonesia JURNAL ILMIAH SATYA MINABAHARI Journal of Vocational in Aquaculture (JAVA)
Mohammad Aghistni Rahman
Institut Pertanian Bogor
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology Other

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Production performance of nursery graded eel Anguilla bicolor bicolor in recirculating aquaculture system Budiardi, Tatag; Effendi, Irzal; Rahman, Muhammad Aghistni; Vinasyiam, Apriana
Jurnal Akuakultur Indonesia Vol. 21 No. 2 (2022): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19027/jai.21.2.109-127

Abstract

The growth rate highly varies in nurseries of eel. Variations in size lead to competition in obtaining feed, this causes stunting of smaller fish. This situation leads to high production costs due to poor feed utilization efficiency. Grading needs to be done periodically to improve nursery production performance. Water quality is controlled by a recirculation system that can support production performance through the degradation of toxic compounds. This study aims to analyze the production and nursery performance of graded eel (Anguilla bicolor bicolor) that graded in the same batch in a recirculation system. Completely randomized design (CRD) consisting of three treatments with four replications was used in this research. The treatments included nursery of graded eels for 60 days in three groups of initial weight size, namely 0,35±0,00 g (A); 0,50±0,00 g (B); and 1,04±0,00 g (C). There were 344 eels (A), 239 eels (B), and 116 eels (C) in each replication. The best nursery production performance was obtained in the treatment of 1,04±0,00 g, and the best nursery business performance was obtained in the treatment of 0,50±0,00 g.
Effects of Different Commercial Probiotics on Growth and Survival of Oreochromis niloticus Fry Muhammad Arif Mulya; Rifqah Pratiwi; Mohammad Aghistni Rahman; Muthia Khairunnisa
Journal of Vocational in Aquaculture (JAVA) Vol 3 No 1 (2026): MEI 2026
Publisher : College of Vocational Studies, Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/bjnstj97

Abstract

Nile tilapia (Oreochromis niloticus) is an important freshwater aquaculture commodity with strong development potential in Indonesia. Increasing market demand has encouraged farmers to improve production efficiency; however, several constraints remain, including aquaculture waste, low feed digestibility, and high feed costs. One approach that has been widely explored is the use of commercial probiotics as feed additives to improve nutrient utilization and overall fish performance. This study aimed to evaluate the effect of different commercial probiotics applied in feed on the growth performance and survival of Nile tilapia fry. The experiment was conducted using a Completely Randomized Design with three treatments and three replications: P0 (feed without probiotics), P1 (feed supplemented with a commercial probiotic containing Bacillus subtilis ≥10⁶ CFU/mL at a dose of 15 mL/kg feed), and P2 (feed supplemented with a commercial probiotic containing Lactobacillus casei ≥10⁶ CFU/mL and Saccharomyces cerevisiae ≥10⁶ CFU/mL at a dose of 20 mL/kg feed). The results showed that treatment P2 produced the best outcomes and differed significantly (P<0.05) from the other treatments. This treatment resulted in higher survival (94.43±7.35%), specific growth rate (8.44±0.30 %/day), absolute weight gain (5.32±0.86 g), and absolute length gain (2.08±0.27 cm/day), along with improved feed conversion ratio (1.26±0.07), feed efficiency (81.34±0.36%), and protein efficiency ratio (8.53±0.36). These findings suggest that the application of the probiotic used in treatment P2 can improve feed utilization and support better growth and survival of Nile tilapia fry under culture conditions.
APLIKASI ASTAXANTHIN UNTUK MENINGKATKAN WARNA IKAN MAS KOKI RANCHU Carassius auratus : APPLICATION OF ASTAXANTHIN TO ENHANCE THE COLOR OF RANCHU GOLDFISH Carassius auratus Andri Hendriana; Laifa Farihah; Mia Setiawati; Sheny Permatasari; Andri Iskandar; Mohammad Aghistni Rahman
Jurnal Ilmiah Satya Minabahari Vol. 11 No. 1 (2025): Vol. 11 No. 1 (2025): Vol. 11 No. 1 Agustus 2025 - Januari 2026
Publisher : Fakultas Perikanan dan Ilmu Kelautan Universitas Satya Negara Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53676/jism.v11i1.241

Abstract

Ikan mas koki ranchu (Carassius auratus) merupakan salah satu komoditas ikan hias bernilai estetika tinggi karena memiliki saturasi warna yang cerah pada tubuhnya. Budidaya ikan hias sering kali dihadapi kendala berupa penurunan intensitas warna yang berdampak langsung pada penurunan daya tarik serta nilai ekonomis ikan. Pemanfaatan astaxanthin sebagai sumber karotenoid dalam formulasi pakan menjadi strategi efektif untuk meningkatkan kualitas warna tersebut. Penelitian ini bertujuan untuk menganalisis dosis optimal serta efektivitas penggunaan astaxanthin terhadap peningkatan warna ikan mas koki ranchu. Metode penelitian yang digunakan adalah Rancangan Acak Lengkap (RAL) dengan empat perlakuan dan tiga ulangan, meliputi: AX0 (kontrol), AX2 (2 g/kg pakan), AX3 (3 g/kg pakan), dan AX4 (4 g/kg pakan). Hasil penelitian menunjukkan bahwa penambahan astaxanthin pada pakan buatan memberikan pengaruh signifikan terhadap peningkatan kecerahan warna tubuh ikan. Perlakuan AX3 dengan dosis 3 g/kg pakan teridentifikasi sebagai dosis terbaik dengan perolehan tingkat kecerahan warna mencapai 19,82.
Co-Authors Apriana Vinasyiam Hendriana, Andri Irzal Effendi Iskandar, Andri Laifa Farihah Mia Setiawati Muhammad Arif Mulya Muthia Khairunnisa Rifqah Pratiwi Sheny Permatasari Tatag Budiardi