STUDIES ON THE VIRULENCE OF AEROMONAS HYDROPHILA IN NILE TILAPIA (OREOCHROMIS NILOTICUS)
Gado, M. (1998). STUDIES ON THE VIRULENCE OF AEROMONAS HYDROPHILA IN NILE TILAPIA (OREOCHROMIS NILOTICUS). EKB Journal Management System, 40.1(79), 190-200. doi: 10.21608/avmj.1998.183305
M.S.M. Gado. "STUDIES ON THE VIRULENCE OF AEROMONAS HYDROPHILA IN NILE TILAPIA (OREOCHROMIS NILOTICUS)". EKB Journal Management System, 40.1, 79, 1998, 190-200. doi: 10.21608/avmj.1998.183305
Gado, M. (1998). 'STUDIES ON THE VIRULENCE OF AEROMONAS HYDROPHILA IN NILE TILAPIA (OREOCHROMIS NILOTICUS)', EKB Journal Management System, 40.1(79), pp. 190-200. doi: 10.21608/avmj.1998.183305
Gado, M. STUDIES ON THE VIRULENCE OF AEROMONAS HYDROPHILA IN NILE TILAPIA (OREOCHROMIS NILOTICUS). EKB Journal Management System, 1998; 40.1(79): 190-200. doi: 10.21608/avmj.1998.183305

STUDIES ON THE VIRULENCE OF AEROMONAS HYDROPHILA IN NILE TILAPIA (OREOCHROMIS NILOTICUS)

Assiut Veterinary Medical Journal
Article 15, Volume 40.1, Issue 79, October 1998, Pages 190-200    PDF (2.7 M)
Document Type: Research article
DOI: 10.21608/avmj.1998.183305
Author
M.S.M. Gado
Dept. of Poultry and Fish Diseases, Fac. Vet. Med., Kafr El-Shiekh, Tanta University
Abstract
I'welve Aeromonas hydrophila isolates isolated from diseased fish in kafr El-Shiekh province were studied for their virulence in Nile Tilapia (Oreochromis niloticus). The most virulent five isolates used in this study shared a common resistance to the killing effect of Tilapia fish serum. Other factors such as lack of autoagglutiuation in 0.2% acriflavine, instability after boiling, production of an S-layer, proteases and haemolysins did not correlate well with virulence. In addition, serotyping could not group all the virulent isolates. On the other hand,
serum resistance proved to be a good indicator for screening virulence of Aeromonas hydrophila isolates.
Keywords
Key Words: Tilapia; Aeromonas; Hydrophlia
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