Immune Response To Stress Induced By Corticosteroid In Common Carp (Cyprinus Carpio Linnaeus) Exposed To Aeromonas Hydrophila
The effect of simulated stress induced by cortisol implantation in common carp ( Cyprinus carpio ) was studied. Humoral mediated responses to injected antigens following cortisol treatment were assessed by using the passive haemolytic plaque technique and indirect haemagglutination assay . A si...
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| Main Author: | |
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| Format: | Thesis |
| Language: | English English |
| Published: |
1993
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| Subjects: | |
| Online Access: | http://psasir.upm.edu.my/id/eprint/11787/1/FPSS_1993_3_A.pdf |
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| Summary: | The effect of simulated stress induced by cortisol
implantation in common carp ( Cyprinus carpio ) was studied.
Humoral mediated responses to injected antigens following
cortisol treatment were assessed by using the passive
haemolytic plaque technique and indirect haemagglutination
assay . A single cortisol implant and subsequent challenge
to Aeromonas hydrophila elicited modulation in the fish
immune system and also histopathological changes in the
kidney, spleen and thymus . Hyperglycaemia which is a
stress related physiological change was associatively
manifested. The marked reduction in haemolytic plaque forming
cells in cortisol treated carps indicated the suppression
of antibody mediated response ..Similarly , a quantitative decrease in haemagglutinating antibody titre suggested
that the immunosuppressive action of cortisol could have
a pernicious effect on the fish's ability to resist
infection |
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