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Comparative analysis of different density restrictions reveals the potential influence mechanism on the compensatory growth of Litopenaeus vannamei
Liu, Yuan1,2; Liu, Mei1,2,3; Jiang, Keyong1; Wang, Baojie1; Wang, Lei1,2,3
2022-02-10
Source PublicationAQUACULTURE RESEARCH
ISSN1355-557X
Pages16
Corresponding AuthorWang, Baojie(wangbaojie@qdio.ac.cn) ; Wang, Lei(leiwang@qdio.ac.cn)
AbstractShrimp nursery rearing technology is increasingly being used by aquatic farmers and enterprises. Determining an appropriate density restriction in order to obtain a greater compensatory growth potential is the key to this technology. Based on the industry standards for indoor shrimp farming, three densities for Litopanaeus vannamei nursery rearing were examined (D1 [control] = 10,000 PL/m(3), D3 = 30,000 PL/m(3), and D5 = 50,000 PL/m(3)). The results showed that the D5 group had an over-compensation growth effect, whereas the D3 group showed a full-compensation growth effect. A preliminary investigation of the mechanism of compensatory growth was explored. The results showed that during the compensation stage, the SGR (Special Growth Rate) and FCE (Feed Conversion Efficiency) of the D5 group were significantly higher (p < 0.05) than the control. T-SOD enzyme activity was not significantly different (p > 0.05) from the control. Antioxidants such as CAT, GSH-PX and MDA all had compensatory changes. In addition, the relative mRNA expression of several genes was measured. The results showed that growth-related genes (EGFR, MSTN), molting-related genes (MIH), immune-related genes (Toll) and digestion-related genes (alpha-amylase) had a relative compensation of mRNA expression. Meanwhile, transcriptome analysis of shrimps after different density restrictions in the compensation stage was performed. Totally 237 and 348 differentially expression genes (DEGs) were identified in the D5- and D3-treated shrimps, respectively. In D5-treated shrimps, DEGs were annotated and grouped into nine processes or pathways related to animal metabolic response. With respect to D3-treated shrimps, DEGs were mainly annotated to 15 processes or pathways related to animal metabolic response. Therefore, this study provides a basis for the theory and practice of compensatory growth during the nursery rearing of commercial shrimp.
Keywordcompensatory growth density restriction industrial indoor shrimp farming Litopenaeus vannamei RNA-seq
DOI10.1111/are.15780
Indexed BySCI
Language英语
Funding ProjectNational Key R&D Program of China[2019YFD0900401] ; Yellow River Delta Industry Leading Talent Project
WOS Research AreaFisheries
WOS SubjectFisheries
WOS IDWOS:000753505400001
PublisherWILEY
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/177997
Collection实验海洋生物学重点实验室
Corresponding AuthorWang, Baojie; Wang, Lei
Affiliation1.Chinese Acad Sci, Ctr Ocean Megasci, Inst Oceanol, CAS & Shandong Prov Key Lab Expt Marine Biol, Qingdao, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao, Peoples R China
First Author AffilicationCenter for Ocean Mega-Science, Chinese Academy of Sciences
Corresponding Author AffilicationCenter for Ocean Mega-Science, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Liu, Yuan,Liu, Mei,Jiang, Keyong,et al. Comparative analysis of different density restrictions reveals the potential influence mechanism on the compensatory growth of Litopenaeus vannamei[J]. AQUACULTURE RESEARCH,2022:16.
APA Liu, Yuan,Liu, Mei,Jiang, Keyong,Wang, Baojie,&Wang, Lei.(2022).Comparative analysis of different density restrictions reveals the potential influence mechanism on the compensatory growth of Litopenaeus vannamei.AQUACULTURE RESEARCH,16.
MLA Liu, Yuan,et al."Comparative analysis of different density restrictions reveals the potential influence mechanism on the compensatory growth of Litopenaeus vannamei".AQUACULTURE RESEARCH (2022):16.
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