Comparison of several treatment methods against saprolegniosis in rainbow trout fertilized eggs
2012
Akhlaghi, M., School of Veterinary Medicine, Shiraz University | Bahaoodini, A.A., School of Veterinary Medicine, Islamic Azad University, Kazerun Branch
In this research Psedomonas fluorescens as a probiotic, sodium chloride, plant extract (Terminalia catappa), malachite green and formalin as antifungal agents were used daily for 19 days on rainbow trout fertilized eggs in order to compare their survival with untreated fertilized eggs in control group. Results showed that the percent of live eggs (eyed) after 19 days treatment with P. fluorescens (107 bacteria/ml), sodium chloride (20000 ppm), the plant extract (5 ppm), malachite green (66.7 ppm), formalin (200 ppm) and the control group were 81.3%, 86.7%, 82.9%,83.4%, 89.2%, and 77.2% respectively. Thus P. fluorescens as a probiotic, the plant extract and the other anti-fungal agents revealed significant effect in rainbow trout fertilized eggs survival anti-fungal activity as compared with the control group (P0.05). The plant extracted antifungal agent and also the probiotic as a new agent used in this study compete with the commonly used antifungal in that these are environmentally friendly non-hazardous agents.
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