Effects of short-term management stress and ACTH injections on plasma cortisol levels in cultured white sturgeon, Acipenser transmontanus

J. M. Belanger, J. H. Son, K. D. Laugero, G. P. Moberg, S. I. Doroshov, S. E. Lankford, J. J. Cech

Research output: Contribution to journalArticle

64 Citations (Scopus)

Abstract

General management practices including capture, handling and transportation in fish hatcheries can induce a stress response indicated by a plasma cortisol increase in many species. However, this phenomenon is not well established in cultured white sturgeon (Acipenser transmontanus). We determined resting levels of cortisol and the cortisol responses to two management stressors and to exogenous adrenocorticotropic hormone (ACTH1-24) injections in cannulated mature male white sturgeon. Mean resting cortisol level was 8.6 ng/ml and ranged over 5.8-12.8 ng/ml through a 22-h period. Water reduction and transportation + handling stressors elicited significant cortisol increases above pre-stress and post-stress levels. Exogenous ACTH1-24 injections of 0.5 and 5.0 μM caused dose-dependent peak cortisol increases above those produced by either the water reduction or transportation + handling stressors.

Original languageEnglish (US)
Pages (from-to)165-176
Number of pages12
JournalAquaculture
Volume203
Issue number1-2
DOIs
StatePublished - Nov 26 2001

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stress management
Acipenser transmontanus
corticotropin
cortisol
injection
plasma
hatchery
hormone
management practice
water
fish
hatcheries
effect
stress response
dosage

Keywords

  • ACTH
  • Cortisol
  • Management
  • Stress
  • Sturgeon

ASJC Scopus subject areas

  • Aquatic Science

Cite this

Belanger, J. M., Son, J. H., Laugero, K. D., Moberg, G. P., Doroshov, S. I., Lankford, S. E., & Cech, J. J. (2001). Effects of short-term management stress and ACTH injections on plasma cortisol levels in cultured white sturgeon, Acipenser transmontanus. Aquaculture, 203(1-2), 165-176. https://doi.org/10.1016/S0044-8486(01)00620-2

Effects of short-term management stress and ACTH injections on plasma cortisol levels in cultured white sturgeon, Acipenser transmontanus. / Belanger, J. M.; Son, J. H.; Laugero, K. D.; Moberg, G. P.; Doroshov, S. I.; Lankford, S. E.; Cech, J. J.

In: Aquaculture, Vol. 203, No. 1-2, 26.11.2001, p. 165-176.

Research output: Contribution to journalArticle

Belanger, JM, Son, JH, Laugero, KD, Moberg, GP, Doroshov, SI, Lankford, SE & Cech, JJ 2001, 'Effects of short-term management stress and ACTH injections on plasma cortisol levels in cultured white sturgeon, Acipenser transmontanus', Aquaculture, vol. 203, no. 1-2, pp. 165-176. https://doi.org/10.1016/S0044-8486(01)00620-2
Belanger, J. M. ; Son, J. H. ; Laugero, K. D. ; Moberg, G. P. ; Doroshov, S. I. ; Lankford, S. E. ; Cech, J. J. / Effects of short-term management stress and ACTH injections on plasma cortisol levels in cultured white sturgeon, Acipenser transmontanus. In: Aquaculture. 2001 ; Vol. 203, No. 1-2. pp. 165-176.
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