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Effective disinfection of trout eggs to prevent egg transmission of Aeromonas liquefaciens
McFadden, T.W. (1969). Effective disinfection of trout eggs to prevent egg transmission of Aeromonas liquefaciens. J. Fish. Res. Bd. Can. 26(9): 2311-2318. hdl.handle.net/10.1139/f69-225
In: Journal of the Fisheries Research Board of Canada. The Fisheries Research Board of Canada: Toronto. ISSN 0015-296x, more
Peer reviewed article  

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Keywords
    Bacteria; Fish eggs; Trout; Marine; Brackish water; Fresh water

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  • McFadden, T.W.

Abstract
    Treatment of trout eggs with classical disinfectants such as sulfo-merthiolate, merthiolate, and acriflavine proved unreliable for destroying Aeromonas liquefaciens on the eggshell. These bacteristatic agents washed free leaving viable bacteria on the shell.An organic iodine compound, povidone–iodine, was found to be bactericidal at dosages readily tolerated by trout eggs. No reduction in the rate of development was observed after treatment.Transmission of A. liquefaciens from parents to offspring follows the route reported for Aeromonas salmonicida. Viable bacterial cells are carried on the outer surface of the shell only, enabling the use of surface disinfection.

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