E3S Web Conf.
Volume 322, 2021International Seminar on Fish and Fisheries Sciences (ISFFS 2021)
|Number of page(s)||8|
|Published online||11 November 2021|
Safety and efficacy test to immersion vaccine against Streptococcus agalactiae and Aeromonas hydrophila for Tilapia (Oreochromis niloticus)
Research Station for Fish Disease Control, Research Institute for Freshwater Aquaculture and Fisheries Extension (RIFAFE)
* Corresponding author: firstname.lastname@example.org
Alternative prevention should be developed to control disease outbreaks in Tilapia culture caused by co-infections of Aeromonas hydrophila and Streptococcus agalactiae. Applications of vaccines with low cost and simple methods are highly recommended. This study was conducted to find out the safety and the efficacy of immersion vaccine in Tilapia used bivalent vaccines with formalin inactivated of S. agalactiae and A. hydrophila. Tilapia (Oreochromis niloticus) were divided into two groups, vaccinated and not vaccinated, with single and double doses immersion. The results showed that single and double doses of immersion vaccine were safe for fish (SR 100%) and effectively increased the antibody titer values compared to non-vaccinated fish. The immersion vaccine method can be recommended as an alternative to controlled fish diseases, especially for both Motile Aeromonads Septicaemia and Streptococcosis caused by A. hydrophila and S. agalactiae infections, respectively.
© The Authors, published by EDP Sciences, 2021
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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