Plasma corticosteroid dynamics in channel catfish, Ictalurus punctatus (Rafinesque), during and after oxygen depletion
Journal of Fish Biology
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By: Davis K. B. Tomasso J.R. K. B. and N. C. Parker
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Abstract
Plasma corticosteroid concentrations in channel catfish, Ictalurus punctatus, (normally 1.0 ± 0.3 μg/100 ml) increased significantly (to 5.9 ± 1.2μg/100 ml) in response to acute oxygen depletion and then returned to control levels within 30 min after the dissolved oxygen concentration was increased; however, a secondary increase in plasma corticosteroid levels was observed 6 h after exposure. Corticosteroid levels also increased in fish exposed to dissolved oxygen concentration of <0.2 mg/1 for three days. Methylene blue was not effective in preventing interrenal response to low dissolved oxygen. No diurnal plasma corticosteroid rhythm was observed in fish exposed to diurnal chemical rhythms of culture ponds.
Suggested Citation
Tomasso J.R., D.K., and Parker, N., 1981, Plasma corticosteroid dynamics in channel catfish, Ictalurus punctatus (Rafinesque), during and after oxygen depletion: Journal of Fish Biology, v. 18, no. 5, p. 519-526, https://doi.org/10.1111/j.1095-8649.1981.tb03793.x.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Plasma corticosteroid dynamics in channel catfish, Ictalurus punctatus (Rafinesque), during and after oxygen depletion |
| Series title | Journal of Fish Biology |
| DOI | 10.1111/j.1095-8649.1981.tb03793.x |
| Volume | 18 |
| Issue | 5 |
| Publication Date | January 24, 2006 |
| Year Published | 1981 |
| Language | English |
| Publisher | Wiley |
| Publisher location | Hoboken, NJ |
| Contributing office(s) | Leetown Science Center |
| Description | 8 p. |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of Fish Biology |
| First page | 519 |
| Last page | 526 |