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Effect of dietary fish and vegetable oil on the growth performance, body composition, fatty acids profile, reproductive performance and larval resistance in pearl gourami (Trichogaster leeri)

Mobaraki, MRG, Kenari, AA, Gorji, SB and Esmaeili, M 2020 , 'Effect of dietary fish and vegetable oil on the growth performance, body composition, fatty acids profile, reproductive performance and larval resistance in pearl gourami (Trichogaster leeri)' , Aquaculture Nutrition, vol. 26, no. 3 , pp. 894-907 , doi: 10.1111/anu.13048.

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Abstract

This study investigated the effect of two lipid sources on reproduction performance and growth in pearl gourami. For this purpose, 180 fish (3.32 ± 0.25 g) were fed with three isoenergetic (19.80) and isonitrogenous diets (480 g/kg protein) including FO (80 g/kg fish oil), FS (40 g/kg fish oil and 40 g/kg soybean oil) and SO (80 g/kg soybean oil) for 10 weeks before maturation. At the end of the trial, there was no significant difference in weight gain, feed conversation ratio and body composition between fish fed FO and FS diets. Individuals fed dietary FO had significantly higher levels of n‐3 long‐chain polyunsaturated fatty acids in the muscle (130.5 g/kg lipid) and ovary (140.4 g/kg lipid) as compared with those fed SO diet (64.5, 103.6 g/kg, respectively) (p  p  p

Item Type: Article
Authors/Creators:Mobaraki, MRG and Kenari, AA and Gorji, SB and Esmaeili, M
Keywords: fish oil sparing, hormonal regulation, long-chain PUFA, pearl gourami, reproduction, spawning performance
Journal or Publication Title: Aquaculture Nutrition
Publisher: Wiley-Blackwell Publishing Ltd.
ISSN: 1365-2095
DOI / ID Number: 10.1111/anu.13048
Copyright Information:

Copyright 2020 John Wiley & Sons Ltd

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