| Autor: |
Heidi L, Atwood, Joseph R, Tomasso, Patrick J, Ronan, Bruce A, Barton, Kenneth J, Renner |
| Rok vydání: |
2017 |
| Zdroj: |
Journal of aquatic animal health. 12(1) |
| ISSN: |
1548-8667 |
| Popis: |
Fingerlings of channel catfish Ictalurus punctatus exhibited a significant exposure-dependent decrease in growth (measured by weight gain and increase in total length) and condition factor after 9 weeks of exposure to environmental ammonia. Concentrations of 5-hydroxytryptamine (5-HT) and dopamine in the brain decreased significantly whereas the ratio of 5-hydroxyindoleacetic acid (5-HIAA) to 5-HT increased significantly in exposure-dependent manners. The brain dopamine concentrations and the 5-HIAA : 5-HT ratio collectively explained 88% of the variation in growth due to ammonia exposure. This study demonstrates the potential to predict ammonia-induced inhibition of growth in channel catfish with physiological changes. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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