Evaluation of the protective efficacy of Piscivac irido si vaccine for preventing iridovirus in hybrid grouper (Epinephelus fuscoguttatus x E. lanceolatus) cultured in Khanh Hoa

Abstract

A study was conducted to evaluate the eff ectiveness Piscivac Irido Si vaccine (contains inactivated iridovirus strain ≥ 106.6 TCID50/ml) against iridovirus causing Sleepy grouper disease in hybrid gouper. The results show that Piscivac Irido Si vắc xin is completely safe for hybrid grouper. (There is no diff erence in length and weight between experimental and control fi sh, no abnormalities were observed in intraperitoneal of immunized fi sh). In challenging trials, the Piscivac Irido Si vaccine effectively protected the hybrid grouper from iridovirus with a Relative Survival Rate (RPS) of 72.9%.

DOI https://doi.org/10.53818/jfst.02.2021.277