Changes in plasma cortisol during stress and smoltification in coho salmon, Oncorhynchus kisutch.

Abstract:

:The cortisol stress response in juvenile coho salmon, Oncorhynchus kisutch, considered as the difference between resting and peak poststress cortisol levels, increased from 80 ng/ml in March to 166 ng/ml in July, the period when smoltification normally occurs. Resting plasma cortisol levels also continually increased from 4 ng/ml in March to a maximum of 39 ng/ml in May, but then declined again to 3 ng/ml in July. The results indicate that there is an increased interrenal responsiveness to stress during the period of smoltification in coho salmon.

journal_name

Gen Comp Endocrinol

authors

Barton BA,Schreck CB,Ewing RD,Hemmingsen AR,Patiño R

doi

10.1016/0016-6480(85)90406-x

subject

Has Abstract

pub_date

1985-09-01 00:00:00

pages

468-71

issue

3

eissn

0016-6480

issn

1095-6840

journal_volume

59

pub_type

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