Disinfection of teleost eggs : a review

In aquaculture hatcheries, egg disinfection is commonly employed as a mortality mitigation and disease management tool. In addition, disinfection protocols are utilized in research facilities, as a means to create axenic and gnotobiotic larval models. For the latter, a complete sterilization of the...

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Bibliographic Details
Published in:Reviews in Aquaculture
Main Authors: De Swaef, Evelien, Van Den Broeck, Wim, Dierckens, Kristof, Decostere, Annemie
Format: Article in Journal/Newspaper
Language:English
Published: 2016
Subjects:
Biology and Life Sciences
aquaculture
disinfection
egg
fish
gnotobiotic
teleost
CHANNEL CATFISH EGGS
RAINBOW-TROUT EGGS
HYDROGEN-PEROXIDE TREATMENT
COD GADUS-MORHUA
SALMON EYED EGGS
HIPPOGLOSSUS-HIPPOGLOSSUS EGGS
MELANOGRAMMUS-AEGLEFINUS EGGS
BASS DICENTRARCHUS-LABRAX
POLYMERASE-CHAIN-REACTION
BACTERIAL CHALLENGE TEST
Gadus morhua
Online Access:https://biblio.ugent.be/publication/7038576
http://hdl.handle.net/1854/LU-7038576
https://doi.org/10.1111/raq.12096
https://biblio.ugent.be/publication/7038576/file/7038771
Description
Summary:In aquaculture hatcheries, egg disinfection is commonly employed as a mortality mitigation and disease management tool. In addition, disinfection protocols are utilized in research facilities, as a means to create axenic and gnotobiotic larval models. For the latter, a complete sterilization of the eggs is warranted. Multiple research groups have tested various disinfectants in fish eggs adopting different protocols and a range of parameters to evaluate their efficacy and safety. However, there is a clear lack of a critical review listing these different studies and stressing the advantages and shortcomings of the protocols and adopted disinfectants. This review provides a commented survey of the findings/experiments on the most frequently used and upcoming disinfecting products, the protocols in which they are included and their purposes with emphasis on decreasing bacterial and/or fungal load, underscoring the benefits and the limitations of each product. Supplemented with a critical note, this review assists both aquaculturists and researchers in making an informed choice. Moreover, it will help stakeholders to identify the gaps in knowledge where future research on egg disinfection is needed.

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