Effects of dietary fish oil replacements with three vegetable oils on growth, fatty acid composition, antioxidant capacity, serum parameters and expression of lipid metabolism related genes in juvenile Onychostoma macrolepis

Five isonitrogenous and isoenergetic diets with soybean oil (SO), linseed oil (LO), algae oil from Schizochytrium sp. (AO), mixed oil (MO, SO:LO:AO = 1:1:1) and fish oil (FO; control group) were selected to feed juvenile Onychostoma macrolepis (initial weight 1.86 ± 0.07 g) for eight weeks. The resu...

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Veröffentlicht in:	Aquaculture nutrition 2021-02, Vol.27 (1), p.163-175
Hauptverfasser:	Gou, Nina, Ji, Hong, Zhong, Mingzhi, Chang, Zhiguang, Deng, Wei
Format:	Artikel
Sprache:	eng
Schlagworte:	Algae Anabolism antioxidant capacity Antioxidants Catabolism Diet Fatty acids Feed conversion efficiency Feeds Fish Fish oils Genes Growth rate linseed oil lipid metabolism Lipids Liver Metabolism Oil Onychostoma macrolepis Schizochytrium Schizochytrium sp. oil Serum serum parameters Soybean oil Soybeans Vegetable oils Vegetables
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Zusammenfassung:	Five isonitrogenous and isoenergetic diets with soybean oil (SO), linseed oil (LO), algae oil from Schizochytrium sp. (AO), mixed oil (MO, SO:LO:AO = 1:1:1) and fish oil (FO; control group) were selected to feed juvenile Onychostoma macrolepis (initial weight 1.86 ± 0.07 g) for eight weeks. The results showed that in the LO and FO groups fish grew best. There was no significant difference in specific growth rate (SGR) and feed efficiency (FE) between the MO and FO groups (p > .05). The highest contents of 18:2n‐6, 18:3n‐3 and 22:6n‐3 in liver and muscle were found with the SO, LO and AO groups, respectively (p
ISSN:	1353-5773 1365-2095
DOI:	10.1111/anu.13174