Disinfection Efficiency of Three Anti-Fungal Agents (Nanosil, Chloramine-T and Hydrogen Peroxide) on Persian Sturgeon (Acipenser persicus, Borodin 1897) Larvae

摘要

Due to the high mortality of eggs and larvae of Persian sturgeon caused by fungal infection, prevention could be a more effective tool for fish health management. In this respect, our study was conducted to compare the performance of the three types of antifungal agents (Nanosil, Chloramine-T and hydrogen peroxide) against fungal infection of Persian sturgeon larvae. For this purpose, five treatment groups with three repetitions including: T 1 : 80 mg/L Nanosil, T 2 : 40 mg/L Nanosil, T 3 : 40 mg/L hydrogen peroxide, T 4 : 15 mg/L Chloramine-T, T 5 : 20 mg/L Chloramine-T were designed. Also, an antifungal free group was considered as control. Antifungal treatments were conducted for a period of 18 days as 15min bath per day. According to our results, no significant differences were found in physico-chemical parameters of aquarium water (i.e. pH, dissolved oxygen concentration and temperature) before and after experiment. T 1 (80 mg/L Nanosil) had better a effect on decreasing of fungal infection than the other treatments, followed by T 3 (40 mg/L hydrogen peroxide).