NDLI: Influence of food deprivation and high stocking density on energetic metabolism and stress response in red porgy, Pagrus pagrus L

Content Provider	Springer Nature Link
Author	Laiz Carrión, Raúl Viana, Inês Rosa Cejas, Juana Rosa Ruiz Jarabo, Ignacio Jerez, Salvador Martos, Juan Antonio Eduardo, Almansa Berro Mancera, Juan Miguel
Copyright Year	2011
Abstract	In the present study, the influence of high stocking density and food deprivation on red porgy (Pagrus pagrus L.) energy metabolism was investigated after 14 and 21 days assessing plasmatic, hepatic, and muscular parameters. Specimens were submitted to four different experimental conditions: (1) fed fish under low stocking density (4 kg m−3, LSD-F); (2) food-deprived fish under low stocking density (LSD-FD); (3) fed fish under high stocking density (50 kg m−3, HSD-F); and (4) food-deprived fish under high stocking density (HSD-FD). At plasmatic level, cortisol concentration enhanced in fish maintained under HSD condition, with higher effect in fed fish, whereas FD condition decreased values of lactate, protein, and triglycerides. In liver, significant increases in triglyceride levels, together with a decrease in glycogen values, were observed in FD specimens. Furthermore, a weak effect of density in fed fish was observed, with decreasing hepatic glycogen. In white muscle, aminoacid and triglyceride values diminished in FD group, while increased in specimens submitted to HSD condition. Our results suggested an enhancement in P. pagrus gluconeogenic and glycogenolytic potential when submitted to HSD and FD conditions to cope reallocation of metabolic energy due to these different stress situations.
Starting Page	585
Ending Page	599
Page Count	15
File Format	PDF
ISSN	09676120
Journal	Aquaculture International
Volume Number	20
Issue Number	3
e-ISSN	1573143X
Language	English
Publisher	Springer Netherlands
Publisher Date	2011-12-13
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Stress Food deprivation High stocking density Metabolism Pagrus pagrus Red porgy Zoology Freshwater & Marine Ecology
Content Type	Text
Resource Type	Article
Subject	Aquatic Science Agronomy and Crop Science

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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