Effects of stocking density on the growth performance, serum biochemistry, muscle composition and HSP70 gene expression of juvenile golden pompano Trachinotus ovatus (Linnaeus, 1758)

Golden pompano (Trachinotus ovatus) is one of the most important cultured marine fish in Southeast Asia. Stocking density affects the growth performance and welfare of fish in aquaculture. A 70-day rearing experiment was performed to evaluate the effect of different stocking densities on the growth...

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Bibliographic Details
Published in:Aquaculture 2020-03, Vol.518, p.734841, Article 734841
Main Authors: Yang, Quan, Guo, Liang, Liu, Bao-Suo, Guo, Hua-Yang, Zhu, Ke-Cheng, Zhang, Nan, Jiang, Shi-Gui, Zhang, Dian-Chang
Format: Article
Language:English
Subjects:
Biochemistry
Growth
HSP70
Muscle quality
Stocking density
Trachinotus ovatus
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Summary:Golden pompano (Trachinotus ovatus) is one of the most important cultured marine fish in Southeast Asia. Stocking density affects the growth performance and welfare of fish in aquaculture. A 70-day rearing experiment was performed to evaluate the effect of different stocking densities on the growth performance, feed conversion ratio, serum biochemistry, muscle quality, antioxidant capacity and HSP70 mRNA expression of juvenile golden pompano cultured in off-shore sea cages. The experimental design was completely randomized using three replications with three treatments: low (100 fish/m3), medium (200 fish/m3), and high (300 fish/m3) stocking densities. Fish growth decreased significantly, and the feed conversion ratio increased significantly with increasing stocking density (P 
ISSN:0044-8486
1873-5622
DOI:10.1016/j.aquaculture.2019.734841