The efficiency of Nanosil (Hydrogen peroxide with silver ions) to control fungal contamination in eggs of sturgeon (Acipenser persicus and Acipenser stellatus)

Document Type : Disease

Authors

1 Department of Fisheries, Guilan Science and Research Branch, Islamic Azad University, Rasht, Iran, P.O. Box: 41335-3516

2 Department of Fisheries, Lahijan Branch, Islamic Azad University, Lahijan, Iran, P.O. Box: 1616

3 Department of Health and Aquatic Diseases, International Sturgeon Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Rasht, Iran, P.O. Box: 41635-3464

Abstract

This research was carried out for comparing the efficiency of nanosil (Hydrogen peroxide with silver ions) and malachite green in order to control the fungal contamination in eggs of sturgeon (Acipenser persicus and Acipenser stellatus). Nanosil treatment at concentrations 40, 80, 100 mg/l, malachite green treatment at concentration 2 ppm and control treatment (all of them with three replicates) were evaluated in Yushchenko incubators during three days so as to compare and control the fungal contamination and determine the best concentration in different treatments in reproductive and restoration center of Sturgeon fishes in Sangar from April to June 2014. Firstly, adult breeders were selected and after fertilization, total number of seeds, fertilization percentage, percentage of fungal, healthy and unhealthy eggs, unfertilized eggs, total number of larvae and hatch percentage were calculated. The results showed that the lowest percentage of unfertilised eggs, the highest percentage of healthy eggs, the lowest percentage of fungal eggs and the highest percentage of hatching in Acipenser persicus was related to nanosil 80 mg/l (P<0.05). Also, the results of comparison of different treatments showed that the lowest percentage of unfertilized eggs, the lowest percentage of fungal eggs and the highest percentage of hatching in Acipenser stellatus was related to nanosil 80 mg/l (P<0.05). In a general, it can be said that nanosil 80 mg/l had a more effective effect in hatching percentage and disinfection of eggs. Because malachite green has a vast number of disadvantages, it is recommended using nanosil as a new disinfectant.

Keywords

References

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Journal of Animal Environment
Volume 11, Issue 3
October 2019
Pages 231-238

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