Enrichment of Artemia Nauplii with bacteria grown in high C/N ratio, carbon source-microalgae media

Mallawaarachchi, Jayanthi Chandani and Fatimah Md Yusoff, . and Khaw, Yam Sim and Zarirah Mohamed Zulperi, . and Ina Salwany Md Yasin, . Enrichment of Artemia Nauplii with bacteria grown in high C/N ratio, carbon source-microalgae media. Asian Fisheries Science Journal (Malaysia), 37. pp. 115-124. ISSN 2073-3720

The microalgae-bacteria interaction in enriched culture media could affect the growth and nutritional properties of Artemia. The addition of carbon sources to the media improves the heterotrophic bacterial population, which in turn interacts with microalgae to improve the health and production of Artemia. The aim of this study was to assess the impacts of the microbial consortium developed with different fermented carbon sources and microalgae on Artemia. Three different microalgae, Chlorella sp./A1, Nannochloropsis oceanica/A2 and Chaetoceros calcitrans/A3 were mixed with three fermented carbon sources (rice bran/C1, tapioca flour/C2 and molasses/C3) to produce nine treatments (A1C1, A1C2, A1C3, A2C1, A2C2, A2C3, A3C1, A3C2, A3C3) and three controls with microalgae alone (A1, A2, A3). Enrichment was carried out for 24 h with Artemia instar I at an initial density of 25 individuals mL-¹. Two-way ANOVA revealed that the survival, length, protein and lipid contents of Artemia nauplii were significantly affected (P < 0.05) by carbon source and species of microalgae. The carbon source–microalgae interaction also significantly affects Artemia survival, length, biomass and protein content. This study illustrated that bacteria associated with different carbon sources and microalgae consortia improved Artemia growth, survival, protein and lipid content.

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Abstract

The microalgae-bacteria interaction in enriched culture media could affect the growth and nutritional properties of Artemia. The addition of carbon sources to the media improves the heterotrophic bacterial population, which in turn interacts with microalgae to improve the health and production of Artemia. The aim of this study was to assess the impacts of the microbial consortium developed with different fermented carbon sources and microalgae on Artemia. Three different microalgae, Chlorella sp./A1, Nannochloropsis oceanica/A2 and Chaetoceros calcitrans/A3 were mixed with three fermented carbon sources (rice bran/C1, tapioca flour/C2 and molasses/C3) to produce nine treatments (A1C1, A1C2, A1C3, A2C1, A2C2, A2C3, A3C1, A3C2, A3C3) and three controls with microalgae alone (A1, A2, A3). Enrichment was carried out for 24 h with Artemia instar I at an initial density of 25 individuals mL-¹. Two-way ANOVA revealed that the survival, length, protein and lipid contents of Artemia nauplii were significantly affected (P < 0.05) by carbon source and species of microalgae. The carbon source–microalgae interaction also significantly affects Artemia survival, length, biomass and protein content. This study illustrated that bacteria associated with different carbon sources and microalgae consortia improved Artemia growth, survival, protein and lipid content.

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Item Type:	Article
AGROVOC Term:	Artemia
AGROVOC Term:	microalgae
AGROVOC Term:	culture media
AGROVOC Term:	growth rate
AGROVOC Term:	research
AGROVOC Term:	microbial culture
AGROVOC Term:	protein sources
AGROVOC Term:	nutrition
Geographical Term:	Malaysia
Uncontrolled Keywords:	enrichment, proximate composition, growth, survival, protein, lipid
Depositing User:	Nor Hasnita Abdul Samat
Date Deposited:	29 Jan 2026 06:39
Last Modified:	29 Jan 2026 06:39
URI:	http://webagris.upm.edu.my/id/eprint/2535

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