This work is focused on investigating the nutrient compositions, growth, and fatty acid composition of Chlorella vulgaris, Euglena gracilis, Pavlova lutheri, and Diacronema vlkanium, which are natural diets of bivalve, crustaceans, live prey such as rotifer, copepods, daphnia and feed ingredients in aquaculture nutrition. Microalgae culture was performed in a live feed laboratory under controlled physical and chemical conditions. The initial concentration of microalgae species was adjusted as 2×106 cells/mL and growth performance was calculated by Neubauer Hemocytometer daily. The maximum growth performance was detected in Diacronema vlkanium culture with 1.78×107 cells/mL. In the case of proximate composition, the highest dry matter content was found in Pavlova lutheri (6.21%). Freshwater microalgae species Chlorella vulgaris (50.5%) and Euglena gracilis (42.5%) had high crude protein compared to Pavlova lutheri and Diacronema vlkanium. Fatty acid compositions of microalgae were also determined. The highest EPA (C20:5n-3) content was found in Pavlova lutheri (6.85%) whereas arachidonic acid (C20:4n-6) and docosahexaenoic acid (C22:6n-3) contents were only found with a level of (3.32%) and (1.79%) in Euglena gracilis, respectively. Microalgal culture should have high biomass in a short time of culture and in this study, E.gracilis and P.lutheri showed high growth and essential nutrients gain in laboratory scale production and this result could be applied in larger volume photobioreactor.
Istanbul University, Scientific Research Foundation
FLO-2022-39273
FLO-2022-39273
Birincil Dil | İngilizce |
---|---|
Konular | Hidrobiyoloji |
Bölüm | Araştırma Makalesi |
Yazarlar | |
Proje Numarası | FLO-2022-39273 |
Yayımlanma Tarihi | 9 Ocak 2024 |
Gönderilme Tarihi | 27 Mayıs 2023 |
Yayımlandığı Sayı | Yıl 2024 Cilt: 39 Sayı: 1 |
Open Access Statement:
This is an open access journal which means that all content is freely available without charge to the user or his/her institution. Users are allowed to read, download, copy, distribute, print, search, or link to the full texts of the articles, or use them for any other lawful purpose, without asking prior permission from the publisher or the author. This is in accordance with the BOAI definition of open access.