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Muslimin, Istyqamah
Institut Teknologi dan Bisnis Nobel Indonesia
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The Effectiveness of Organic Materials as Bioremediation Agents in Promoting Freshwater Crayfish Growth (Cherax quadricarinatus) Dian Lestari; Fauzia Nur; Istyqamah Muslimin; Yusdalifa Ekayanti Yunus
Sains Akuakultur Tropis : Indonesian Journal of Tropical Aquaculture Vol 10, No 2 (2026): SAT September edition
Publisher : Departemen Akuakultur FPIK UNDIP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/sat.v10i2.32156

Abstract

Freshwater crayfish (Cherax quadricarinatus) are among the most economically valuable aquaculture species, with strong market potential in both domestic and international markets. However, one of the major challenges in freshwater crayfish farming is the deterioration of water quality caused by the accumulation of uneaten feed and metabolic waste. This study aimed to evaluate the effects of combinations of organic materials used as bioremediation agents on the absolute weight growth and specific length growth rate of freshwater crayfish. The experiment was conducted from August to September 2025 at CV. Cova Aquaculture using a Completely Randomized Design (CRD) consisting of four treatments with three replicates each (12 experimental units) over a 30-day culture period. The treatments consisted of powdered dried Indian almond leaves (Terminalia catappa) applied alone as the control (Treatment A), combined with spinach powder (Treatment B), pumpkin powder (Treatment C), or bean sprout powder (Treatment D). The organic materials were applied every three days and after each water exchange. Data were analyzed using one-way analysis of variance (ANOVA). Water quality parameters, including temperature, dissolved oxygen, and pH, were monitored daily. The results showed that the highest absolute weight growth and specific length growth rate were obtained in Treatment C, with an absolute weight gain of 0.78 g and a specific length growth rate of 2.16% day⁻¹. The combination of dried Indian almond leaf powder and pumpkin powder may function not only as an indirect itional supplement but also as an environmentally friendly bioremediation strategy that helps maintain water quality, thereby supporting the sustainable culture of freshwater crayfish. 
Co-Authors Adiara Firdhita Alam Nasyrah Ahmad Firman Akhmadi, Mohammad Fadnan Amirula Kelibay Andi Ircham Hidayat Annur SB, Ince Adzzahra Arif M Saleh Arjun , Arjun Arlina Hidayati Arwita Irawati Asjun, Asjun Asniwati Asrul Fole Cahyani, Reni Tri Christine Dyta Nugraeni Dian Lestari Dian Lestari Dirwan , Dirwan Dirwan Dirwan Erniyani, Erniyani Fadalia Tanasali Faisal Rizal Zaenal Farahni, Muthia Fatimah Hardianti A Fauzia Nur Fauzia Nur Hardianti, Fatimah Hardianty Askar Hasnah Hasnah Haswika, Haswika Hijriani, Nurul imra imra Ira Maya Abdiani Irawati, Arwita Januar Kulsaputro Kelibay, Amirula Latief, Fitriani Maharani, Mutiara Dewi Mahfud, Chairul Rusyd Maria Marselina Ghela Marselina Ghela, Maria Muh Arfah Mustari Multhazam, Nur Afifah Thohirah Musdalifah Musdalifah Musdalifah Yusran, Umniyah Musdhalifah Yusran, Umniyah Musytari , Musytari Musytari, Musytari Mutmainnah Ningsih, Kurnia Novi Luthfiyana Nuggraha, I Made Widi Nurasmi Nurfadilah Nurmaida Purnamasari Anwar, Dian Rahmat Januar Noor Raodah Raodah, Raodah Rasdi , Rasdi Rasdi . Rasdi Rasdi Rasdi Rasdi Rasdi Rasdi, Rasdi Saif, Sulfiana Stephanie Bija Sulfiana Sulfiana Sumarlin SYAMSU ALAM Tami Azzahra Nur Tanasali, Fadalia Tri Paus Hutapea Umniyah Musdhalifah Yusran Wulandari, Tenri Yusdalifa Ekayanti Yunus