Stress response and changes in amino acid requirements in Senegalese sole (Solea senegalensis Kaup 1858)

被引：80

作者：

Aragao, C. ^{[1
]}

Corte-Real, J. ^{[1
]}

Costas, B. ^{[1
]}

Dinis, M. T. ^{[1
]}

Conceicao, L. E. C. ^{[1
]}

机构：

[1] Univ Algarve, CCMAR, P-8005139 Faro, Portugal

来源：

AMINO ACIDS | 2008年 / 34卷 / 01期

关键词：

handling stress; cortisol; osmolality; amino acids; requirements; Solea senegalensis;

D O I：

10.1007/s00726-007-0495-2

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 [生物化学与分子生物学]; 081704 [应用化学];

摘要：

Fish in aquaculture are often exposed to various stressors that may change their ability to survive or limit growth. Amino acids are used for processes other than growth, including stress response. This study intended to analyse how repeated acute handling stress can affect growth and amino acid requirements in fish. Senegalese sole juveniles were weekly held in the air during 3 min (Handling) for 9 weeks; Control groups were left undisturbed. Growth and plasma levels of stress indicators and of free amino acids were assessed at the end of the experiment. Plasma cortisol and osmolality levels showed that fish in the Handling treatment were stressed, but growth was unaffected. Plasma amino acid concentrations indicate that their requirements in stressed fish were altered, which probably reflects the synthesis of proteins or other specific compounds related to stress response.

引用

页码：143 / 148

页数：6

共 36 条

[1]

Arginine requirement of juvenile Japanese flounder Paralichthys olivaceus estimated by growth and biochemical parameters [J].