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The effect of feeding with different microalgae on survival, growth, and fatty acid composition of Artemia franciscana metanauplii and on predominant bacterial species of the rearing water

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Abstract

Artemia franciscana metanauplii widely is being used in cultured marine species. The aim of this study was to evaluate the effect of feeding with two marine and two freshwater microalgae as feed alone or in combination on survival, growth, and fatty acid composition of A. franciscana metanauplii and on predominant bacterial species of the rearing water. Five microalgae diets were used for feeding: Amphora viridis (AV), Chlamydomonas reinhardtii (CR), Chlorella vulgaris (CV), and Dunaliella salina (DS) and a combination of four microalgae (MX diet). Artemia franciscana fed AV, DS, and MX diets showed higher survival than that fed CR and CV diets. MX group showed higher total length among groups (P < 0.05). Total n-3 fatty acid content was higher in the Artemia franciscana fed MX group, whereas total n-3 HUFA levels were found significantly higher in Artemia franciscana fed DS and AV diet (P < 0.05). The bacterial load of the rearing water was significantly decreased with the use of CV; therefore, the CV diet might be suggested to be used in Artemia franciscana grow-out for reducing bacterial proliferation. According to 16S rRNA gene sequencing results, four different bacterial species including Carnobacterium maltaromaticum, Pseudomonas stutzeri, Pseudoalteromonas sp., and Vibrio sp. species were found predominantly in the rearing water of Artemia franciscana.

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Abbreviations

AA:

Amino acid

ARA:

Arachidonic acid

AV:

Amphora viridis

CR:

Chlamydomonas reinhardtii

CV:

Chlorella vulgaris

DS:

Dunaliella salina

EFA:

Essential fatty acids

EPA:

Eicosapentaenoic acid

HPC:

Heterotrophic plate counts

HUFA:

Highly unsaturated fatty acids

LAB:

Lactic acid bacteria

MX:

Combination of four microalgae

PUFA:

Polyunsaturated fatty acids

WSSV:

White spot syndrome virus

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Acknowledgements

This work is supported by Istanbul University, Research Foundation Project No: FHZ-2016-23773 and Project No: FBA-2020-33325.

Funding

This work is supported by Istanbul University, Research Foundation Project No: FHZ-2016-23773 and Project No: FBA-2020-33325.

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Authors

Contributions

GT and KME conducted feeding experiment. REY and ET performed bacterial load analysis. KME and GT drafted the manuscript.

Corresponding author

Correspondence to Kamil Mert Eryalçın.

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All applicable international, national, and/or institutional guidelines for the care and use of animals were followed by the authors.

Conflict of interest

The authors declare no competing interests.

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Handling Editor: Gavin Burnell

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Turcihan, G., Turgay, E., Yardımcı, R.E. et al. The effect of feeding with different microalgae on survival, growth, and fatty acid composition of Artemia franciscana metanauplii and on predominant bacterial species of the rearing water. Aquacult Int 29, 2223–2241 (2021). https://doi.org/10.1007/s10499-021-00745-y

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  • DOI: https://doi.org/10.1007/s10499-021-00745-y

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