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All Journal Jurnal Pengolahan Hasil Perikanan Indonesia Forum Agribisnis Agrokreatif Jurnal Ilmiah Pengabdian kepada Masyarakat Buletin Ilmiah Marina : Sosial Ekonomi Kelautan dan Perikanan Jurnal Pascapanen dan Bioteknologi Kelautan dan Perikanan Journal of Aquaculture and Fish Health Altifani Journal: International Journal of Community Engagement Jurnal Perikanan
Febrianti, Desy
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Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Economics, Econometrics & Finance Education Environmental Science Social Sciences

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Relationship Between Nitrogenous Wastes, Organic Matter, Bacteri-al Abundance, and Protozoan Abundance in Whiteleg Shrimp Inten-sive Farming Ponds Utami, Diah Ayu Satyari; Kusmiatun, Anik; Ilham; Febrianti, Desy; Sudiarsa, I Nyoman; Abrori, Mohsan; Nisa, Andina Chairun; Aras, Annisa Khairani; Jatayu, Diklawati; Kaborang, Yasinta Ega; Budiadnyani, I Gusti Ayu; Nugraha, I Made Aditya; Wahidi, Budi Rianto; Wahyu
Journal of Aquaculture and Fish Health Vol. 15 No. 1 (2026): JAFH Vol. 15 No. 1 February 2026
Publisher : Department of Aquaculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jafh.v15i1.77343

Abstract

Whiteleg shrimp (Litopenaeus vannamei) dominates global aquaculture production due to its adaptability to intensive systems. However, intensive systems often experience excess accumulation of nitrogenous waste and total organic matter (TOM), which can destabilize microbial communities and affect water quality. While protozoa are known as bioindicators, few studies have explored how their functional composition interacts with nitrogen cycling and production performance in shrimp ponds. This study investigated the relationships between nitrogenous compounds, TOM, bacterial and protozoan abundance in two intensive shrimp ponds (HP: high protozoan abundance and LP: low protozoan abundance). Water quality parameters, including Total Ammonia Nitrogen (TAN), nitrite, nitrate, TOM, and phosphate, were monitored weekly alongside microbial assessments of total bacterial count (TBC), total Vibrio count (TVC), and protozoa abundance. Protozoa were identified microscopically, while shrimp performance was measured by growth, feed conversion ratio (FCR), survival, and productivity. TOM emerged as the primary ecological driver, significantly correlating with Vibrio abundance (r = 0.585, p < 0.05). Although the high-protozoa pond featured greater bacterial biomass and more bacterivorous taxa (e.g., Ciliata, Vorticella), it had lower shrimp productivity. Conversely, the low-protozoa pond dominated by detritivores (Euplotes, Strombidionopsis) achieved superior growth, FCR, and final biomass, despite higher TOM and nitrite levels. These findings suggest that protozoan functional composition, rather than total abundance, critically influences nutrient cycling, microbial stability, and production outcomes. Managing TOM and fostering beneficial microbial loops are essential strategies for sustainable shrimp farming.
Co-Authors Abrori, Mohsan Ach. Khumaidi ANIK KUSMIATUN Anis Khairunnisa, Anis Aras, Annisa Khairani Bharata, Made Tisna Adhi Budi Rianto Wahidi Cesrany, Mahaldika DIAH AYU SATYARI UTAMI Fikriyah, Amiqatul I Gusti Ayu Budiadnyani I Made Aditya Nugraha Ika Astiana ILHAM Ilham Ilham Insani, Liga Jatayu, Diklawati Kaborang, Yasinta Ega Kiswanto, Arie Mahendra, I Gede Rezza medal lintas perceka Nisa, Andina Chairun Nurliani, Yunita Panjaitan, Fenny Crista Anastasia Pradnyani, Ni Made Anggun Putri, Ni Made Anggun Pradnyani Putrivenn, Dewi Fridolin Resti Nurmala Dewi Samanta, Pinky Natalia siluh putu sri dia utari Sudiarsa, I Nyoman Syah, Ardi Rahman Undu, Muhammad Chaidir Utari, Siluh Putu Sri Dia Wahyu Yudana , IGP Gede Rumayasa