Hydrogen peroxide as a fungicide for fish culture
Bulletin of the Aquaculture Association of Canada
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Abstract
Antifungal agents are needed to maintain healthy stocks of fish in the intensive culture systems currently employed in fish hatcheries. Malachite green has been the most widely used antifungal agent; however, its potential for producing teratology in animals and fish precludes further use in fish culture. Preliminary studies at the National Fisheries Research Center, La Crosse, WI, USA (La Crosse Center) indicate that hydrogen peroxide is effective for control of Saprolegnia sp. fungus on incubating eggs of rainbow trout. It is also effective against a wide variety of other organisms such as bacteria, yeasts, viruses, and spores, and has been proposed as a treatment for sea lice on salmon. Hydrogen peroxide and its primary decomposition products, oxygen and water, are not systemic poisons and are considered environmentally compatible. In response to a petition from the La Crosse Center, the U.S. Food and Drug Administration (FDA) recently classified hydrogen peroxide as a 'low regulatory priority' when used for control of fungus on fish and fish eggs. Preliminary tests conducted at the La Crosse Center suggest that prophylactic treatments of 250 to 500 ppm (based on 100% active ingredient) for 15 minutes every other day will inhibit fungal infections on healthy rainbow trout (Oncorhynchus mykiss) eggs. This treatment regime also seems to inhibit fungal development and increase hatching success among infected eggs. Efficacy and safety of hydrogen peroxide as a fungicide for fish are currently being evaluated.
Suggested Citation
Dawson, V.K., Rach, J., Schreier, T.M., 1994, Hydrogen peroxide as a fungicide for fish culture: Bulletin of the Aquaculture Association of Canada, v. 94, no. 2, p. 54-56.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Hydrogen peroxide as a fungicide for fish culture |
| Series title | Bulletin of the Aquaculture Association of Canada |
| Volume | 94 |
| Issue | 2 |
| Year Published | 1994 |
| Language | English |
| Publisher | U.S. Fish and Wildlife Service |
| Contributing office(s) | Upper Midwest Environmental Sciences Center |
| Description | pp. 54-56 |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Bulletin of the Aquaculture Association of Canada |
| First page | 54 |
| Last page | 56 |