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312062

Investigation of bacteria composition in Artemia biomass culture under different conditions

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Last updated: 01 Jan 2025

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Abstract

This study was conducted to determine the bacterial composition and its effect on Artemia performance in various Artemia biomass culture conditions. Newly hatched Artemia franciscana were cultured in 1.5L plastic bottles containing 1L of culture medium, with a density of 200 nauplii/L and salinity 30 ppt, and lasted for three weeks. In the first two days after stocking, Artemia was fed with Chaetoceros sp. Afterward, Artemia-formulated feed was used as daily food. In biofloc and bacteria treatments, the C/N ratio was regularly manipulated in the Artemia culture medium from day 5 and onwards. The statistical analysis results showed that culture conditions, as well as the bacterial development in those culture batches, affected Artemia performance. The best survival rate, individual length, and biomass were obtained in the seawater and biofloc treatment after 21 days of culturing. The total bacteria varied from 83–146 × 103 CFU/mL, with the highest value seen in the biofloc (BF) treatments. The biofloc treatments had a significantly higher bacterial density than the non-biofloc treatments. Nitrosomonas was better developed in seawater (SW) while the Nitrobacter was in sea salt (SS) medium.  

DOI

10.21608/ejabf.2023.312062

Keywords

artemia, Nitrosomonas, Nitrobacter, Bacillus, Biofloc

Authors

First Name

Nguyen Thi Hong

Last Name

Van

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First Name

Huynh Thanh

Last Name

Toi

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Volume

27

Article Issue

4

Related Issue

42323

Issue Date

2023-07-01

Receive Date

2023-08-10

Publish Date

2023-07-01

Page Start

615

Page End

629

Print ISSN

1110-6131

Online ISSN

2536-9814

Link

https://ejabf.journals.ekb.eg/article_312062.html

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https://ejabf.journals.ekb.eg/service?article_code=312062

Order

38

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Original Article

Type Code

103

Publication Type

Journal

Publication Title

Egyptian Journal of Aquatic Biology and Fisheries

Publication Link

https://ejabf.journals.ekb.eg/

MainTitle

Investigation of bacteria composition in Artemia biomass culture under different conditions

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Article

Created At

23 Dec 2024