Growth of Nannochloropsis sp. Cultured at Semi-Mass and Mass Scales at UPTD BPBALP Teluk Buo, Padang, West Sumatra

Authors

  • Irvan Virnando Fisheries Resource Utilization Study Program, Faculty of Animal Science, Universitas Jambi
  • Ainun Rohmawati Bareta Fisheries Resource Utilization Study Program, Faculty of Animal Science, Universitas Jambi
  • Lisna Lisna Fisheries Resource Utilization Study Program, Faculty of Animal Science, Universitas Jambi
  • Giri Pratama Fisheries Resource Utilization Study Program, Faculty of Animal Science, Universitas Jambi
  • Zawil Afkar Fisheries Resource Utilization Study Program, Faculty of Animal Science, Universitas Jambi
  • Hari Cahyono Fisheries Product Technology Study Program, Faculty of Animal Science, Universitas Jambi
  • Rahayu Dian Eka Putri Fisheries Resource Utilization Study Program, Faculty of Animal Science, Universitas Jambi

DOI:

https://doi.org/10.22437/mjf.v2i03.50125

Keywords:

density, Nannochloropsis sp , mass scale, semi-mass scale, culture technique

Abstract

Natural feed plays a crucial role as a primary nutrient source that is easily digested and suitable for the physiological needs of larvae during early life stages. Nannochloropsis sp. is widely used as a main natural feed for larvae of various aquaculture commodities, making its stable and high-quality availability essential for hatchery success. This study aimed to evaluate Nannochloropsis sp. culture techniques at semi-mass and mass scales and to determine cell density as an indicator of feed quality. The study employed direct observation during the culture period and descriptive analysis of cell density and water quality. Culture procedures at both scales included tank preparation, seawater filling, inoculation, cell density measurement, and harvesting, with differences only in tank size and inoculum volume. Results showed that peak cell density on day five reached 42,326,000 cells/mL in the semi-mass scale and 39,400,000 cells/mL in the mass scale, followed by a decline on day six. The study concludes that the Nannochloropsis sp. culture technique applied at UPTD BPBALP Teluk Buo is effective in supporting phytoplankton supply for hatchery operations.

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Published

2025-12-22

How to Cite

Virnando, I., Bareta, A. R., Lisna, L., Pratama, G., Afkar, Z., Cahyono, H., & Putri, R. D. E. (2025). Growth of Nannochloropsis sp. Cultured at Semi-Mass and Mass Scales at UPTD BPBALP Teluk Buo, Padang, West Sumatra. Mantis Journal of Fisheries, 2(03), 131–140. https://doi.org/10.22437/mjf.v2i03.50125

Issue

Vol. 2 No. 03 (2025): Desember 2025

Section

Articles

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Copyright (c) 2025 Irvan Virnando, Ainun Rohmawati Bareta, Lisna Lisna, Giri Pratama

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