Studies On Aeromonas Hydrophila Isolated From Epizootic Ulcerative Syndrome (Eus) Positive Fish In Malaysia
The present study indicates that the only portal of entry of A . hydrophila serovar I isolate V which induces EUS - l ike lesions in C. batrach us is the intramuscular injection and the effective dose is 6 .5 X 1 0 6 CFU / fish . The lesions do not develop into putrefied necrotic ulcers but hea...
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| Format: | Thesis |
| Language: | English English |
| Published: |
1993
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| Online Access: | http://psasir.upm.edu.my/id/eprint/11789/1/FPSS_1993_5_A.pdf http://psasir.upm.edu.my/id/eprint/11789/ |
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| Summary: | The present study indicates that the only portal of
entry of A . hydrophila serovar I isolate V which induces
EUS - l ike lesions in C. batrach us is the intramuscular
injection and the effective dose is 6 .5 X 1 0 6 CFU / fish . The
lesions do not develop into putrefied necrotic ulcers but
heals gradually within 14 - 18 days of initial injection .
Immersion exposure and oral administration of A . hydrophila
serovar I isolate V were incapable of inducing EUS - like
lesions in C . batrachus .Intramuscular injection of A . hydrophila serovar I
strain V cause severe pathological changes in C . batrachus ,
only at the site of injection and did not produce systemic infection . Clarias batrachus mounts a strong inflammatory
response against A.hydrophila following intramuscular
infection and is capable of eliminating bacteria from the
infected tissue s and efficient in fast wound healing and
repair of the dermal lesions. |
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