Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/34064
Appears in Collections:Aquaculture Journal Articles
Peer Review Status: Refereed
Title: Effects of dietary Nannochloropsis sp. powder and lipids on the growth performance and fatty acid composition of larval and postlarval kuruma shrimp, Marsupenaeus japonicus
Author(s): Adissin, T O Oswald
Manabu, Ishikawa
Shunsuke, Koshio
Saichiro, Yokoyama
Moss, Amina S
Dossou, Serge
Contact Email: amina.moss@stir.ac.uk
Keywords: fatty acids
kuruma shrimp
larval
Nannochloropsis sp.
postlarval
substitution
Issue Date: Feb-2020
Date Deposited: 15-Mar-2022
Citation: Adissin TOO, Manabu I, Shunsuke K, Saichiro Y, Moss AS & Dossou S (2020) Effects of dietary Nannochloropsis sp. powder and lipids on the growth performance and fatty acid composition of larval and postlarval kuruma shrimp, Marsupenaeus japonicus. Aquaculture Nutrition, 26 (1), pp. 186-200. https://doi.org/10.1111/anu.12980
Abstract: The current study evaluated the effects of fish oil replacement with eicosapentaenoic acid-enriched single-cell microalgae in the diets of larval and postlarval kuruma shrimp. Experimental diets containing different level of Nannochloropsis sp. powder (10, 40, 70 g/kg) and lipids (2, 8, 10, 14, 35, 58 g/kg) were evaluated. The substitution of fish oil with algal powder significantly improved shrimp growth compared to that in the control group, with the highest final body weight recorded at 70 g/kg in larvae and 40 g/kg in postlarvae. Larvae fed algal lipids with a dry weight percentage in the diet of greater than 10 g/kg showed significantly lower performance than those in the control group. The neutral lipids in the tissue of the postlarvae that had been fed algal lipids had an improved fatty acid profile, as the content of highly unsaturated fatty acids increased compared to that in the other groups. The content of docosahexaenoic acid increased in the tissue, indicating the possible occurrence of the metabolism and accumulation of Nannochloropsis sp. essential fatty acids. Algal powder could replace FO up to 140 g/kg in shrimp diets without compromising growth and FA profiles.
DOI Link: 10.1111/anu.12980
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