|
Antifungal effect and comparison of saprolgenia sp. isolated resistance from Persion sturgeon (Acipencer persicus) and rainbow trout (Oncorhynchus mykiss) hatcheries against Huwa- San TR- 50 in invitro
|
Maryam Ghiasi *   , Abolfazl Sepahdari , Reza Safari , Mohammad Binaii , Farshideh Habibi Koutenaei |
| Caspian Sea Ecology Research Center, Iranian Fisheries Research Organization, Agriculture Research Education and Extension organization, Sari, Iran |
|
|
Abstract: (973 Views) |
| Saprolegnia genus and its species have been recognized as one of the most important fungal causes of egg loss in freshwater hatcheries around the world. Although malachite green has a good antifungal effect in controlling egg loss due to saprolgniasis in hatcheries, it has been banned because of its carcinogenic and toxic effects. Various studies have been carried out to identify suitable compounds that can replace malachite green at the farms. The purpose of this study was to evaluate the antifungal effects of Huwa- San TR- 50 in vitro based on its MIC (Minimum Inhibitory Concentration) in comparison with green malachite on saproligenia specimens isolated from rainbow trout (Oncorhynchus mykiss) and Persion sturgeon (Acipencer persicus) hatcheries. The doses of 100, 200, 300, 400, 500, 600, 700, 800, 900, 1000, 1200, 1400, 1600 and 1800 ppm were used for MIC experiments. Based on the results, the MIC doses were determined for saprolgenia isolated from Persion sturgeon and rainbow trout 1400 ppm and 800 ppm respectively. Based on the results, it seems that Huwa- San TR- 50 could be used as a suitable antifungal agent for the control of saprolegniasis in fish hatcheries but it should be kept in mind that the resistance of different saproligenia specimens to this drug composition may differ. This is because the ability to control fungi in hatchery is not fully successful when using antifungal compounds other than malachite green. |
|
| Keywords: Saprolegnia, Huwa- San, Rainbow trout, Persion sturgeon, Hatchery |
|
|
Full-Text [PDF 927 kb]
(524 Downloads)
|
Type of Study: Applicable |
Subject:
Special
Received: 2019/10/23 | Accepted: 2020/07/25 | Published: 2021/03/30
|
|
|
|
|
|
|
| Send email to the article author |
|
|
|
| Add your comments about this article |
|
|
|
