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Indoor study on the immunization of red tilapia: Oreochromis niloticus x O. mossambicus against Aeromonad and Pseudomonad septicemias


Citation

Abdelhadi, Yasser Mohamed and Shamsudin, Mariana Nor and Yusoff, Khatijah and Zakaria, Md. Shater (2009) Indoor study on the immunization of red tilapia: Oreochromis niloticus x O. mossambicus against Aeromonad and Pseudomonad septicemias. Journal of Fisheries International, 4 (3). pp. 45-51. ISSN 1817-3381; ESSN: 1993-6025

Abstract

Monovalent, killed and live attenuated vaccines of Aeromonas hydrophila and Pseudomonas putida were used in the immunization of red tilapia against Motile Aeromonad and Pseudomonad septicemias. There were 4 treatments and a 5th control group with 3 replicates per each. A 4th replicate was kept for replacement of natural mortality among the experimented fish. The 4 treatments included, Heat-killed vaccine of A. hydrophila, Live-attenuated vaccine of A. hydrophila (using herbs), Heat-killed vaccine of P. putida and Live-attenuated vaccine of P. putida. A total of 160 brood stocks of O. niloticus with 250 g average body weight were used for all treatments (8 fish per each glass aquarium). Vaccination was conducted via the Intra Peritoneal route (I/P) as an initial dose followed by 2 booster doses every 2 weeks. The last dose was applied via the immersion route. The evaluation of vaccination was carried out through periodical antibody titration of the serum of the examined fish (every 2 weeks) using direct agglutination method as well as by the experimental challenge 3 months after the initial immunization. Results revealed that there were a significant difference between the vaccinated and non vaccinated fish of the control group regarding antibody titers and Relative Percent Survival (RPS) of the challenge test. Differences in immunity levels within the vaccinated groups themselves were demonstrated.


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Additional Metadata

Item Type: Article
Divisions: Institute of Bioscience
Publisher: Medwell Journals
Keywords: Tilapia; Aeromonas hydrophila; Pseudomonas putida; Vaccination; Immunization
Depositing User: Norhazura Hamzah
Date Deposited: 15 Jul 2013 03:57
Last Modified: 20 Jul 2020 07:59
URI: http://psasir.upm.edu.my/id/eprint/15191
Statistic Details: View Download Statistic

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