Microalgae as an aquaculture feed produced in a short light-path annular column photobioreactor

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388971%3A_____%2F23%3A00573512" target="_blank" >RIV/61388971:_____/23:00573512 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/60076658:12310/23:43907285

Výsledek na webu

<a href="https://link.springer.com/article/10.1007/s10811-023-02928-x" target="_blank" >https://link.springer.com/article/10.1007/s10811-023-02928-x</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1007/s10811-023-02928-x" target="_blank" >10.1007/s10811-023-02928-x</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Microalgae as an aquaculture feed produced in a short light-path annular column photobioreactor

Popis výsledku v původním jazyce

In this work, four microalgae species (Chlorella vulgaris, Trachydiscus minutus, Monodopsis sp., and Monoraphidium sp.) were selected and grown in a novel, 30 L short-light path annular-column photobioreactor (AC-PBR). The aim was to test the microalgae growth on a pilot scale and evaluate the potential use as an alternative fish feed in hatcheries based on the content and composition of fatty acids. All microalgae species reached a high biomass density between 3.65 and 5.32 g DW L−1 during a 14-day trial. The highest growth rate of 0.25 ± 0.05 d−1 was calculated for Trachydiscus culture. The highest total content of fatty acids (TFA) was determined for Monodopsis and Trachydiscus biomass as the concentration reached 74.5 ± 6.3 and 72.4 ± 7.6 mg g−1 DW, respectively. These two species contained mostly eicosapentaenoic acid (EPA, C20:5n3), the crucial FA for carnivorous fish whose concentration reached the value of 25.3 ± 0.9% and 31.9 ± 2.0% of TFA for Monodopsis and Trachydiscus, respectively. A high amount of linoleic acid (LA, C18:2n6), another important FA for freshwater aquafeed, was found in Chlorella biomass up to the concentration of 21.9 ± 1.5% of TFA. The present results suggest the feasibility of in-house cultivation of selected microalgae species as a quality live feed source for fish hatcheries.

Název v anglickém jazyce

Microalgae as an aquaculture feed produced in a short light-path annular column photobioreactor

Popis výsledku anglicky

In this work, four microalgae species (Chlorella vulgaris, Trachydiscus minutus, Monodopsis sp., and Monoraphidium sp.) were selected and grown in a novel, 30 L short-light path annular-column photobioreactor (AC-PBR). The aim was to test the microalgae growth on a pilot scale and evaluate the potential use as an alternative fish feed in hatcheries based on the content and composition of fatty acids. All microalgae species reached a high biomass density between 3.65 and 5.32 g DW L−1 during a 14-day trial. The highest growth rate of 0.25 ± 0.05 d−1 was calculated for Trachydiscus culture. The highest total content of fatty acids (TFA) was determined for Monodopsis and Trachydiscus biomass as the concentration reached 74.5 ± 6.3 and 72.4 ± 7.6 mg g−1 DW, respectively. These two species contained mostly eicosapentaenoic acid (EPA, C20:5n3), the crucial FA for carnivorous fish whose concentration reached the value of 25.3 ± 0.9% and 31.9 ± 2.0% of TFA for Monodopsis and Trachydiscus, respectively. A high amount of linoleic acid (LA, C18:2n6), another important FA for freshwater aquafeed, was found in Chlorella biomass up to the concentration of 21.9 ± 1.5% of TFA. The present results suggest the feasibility of in-house cultivation of selected microalgae species as a quality live feed source for fish hatcheries.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10606 - Microbiology

Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2023

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Journal of Applied Phycology

ISSN

0921-8971

e-ISSN

1573-5176

Svazek periodika

35

Číslo periodika v rámci svazku

2

Stát vydavatele periodika

DE - Spolková republika Německo

Počet stran výsledku

9

Strana od-do

603-611

Kód UT WoS článku

000945298100002

EID výsledku v databázi Scopus

2-s2.0-85149424388