Sustained Exercise Increases Plasma Growth Hormone Concentrations in Two Anadromous Salmonids

作者: Bruce A. Barrett , Brian A. McKeown

DOI: 10.1139/F88-091

关键词: OncorhynchusBasal (phylogenetics)TroutSalmoPlasma ghSustained exerciseBiologyPlasma growth hormoneInternal medicineFish migrationEndocrinology

摘要: Sustained exercise for 24 h at 1.5 body lengths per second (bl/s) resulted in a severalfold increase the plasma growth hormone (GH) concentration of steelhead trout (Salmo gairdneri) and coho salmon (Oncorhynchus kisutch). Peak levels occurred 10 min postexercise returned to basal within 4 h termination. GH exhibited steady after fourth hour peaked 24 h. Individuals exercised 48 h did not exceed 24-h peak.

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