Use of Ox‐Aquaculture© for disinfection of live prey and meagre larvae, Argyrosomus regius (Asso, 1801). (6th April 2013)

• Record Type: Journal Article
• Authors: Vallés, Roser; Roque, Ana; Caballero, Ana; Estévez, Alicia
• Is Part Of: Aquaculture research. Volume 46:Number 2(2015)
• Page Start: 413
• Page End: 419
• Publication Date: 2013-04-06
• Subjects: Aquaculture -- Periodicals; Fishery management -- Periodicals; 639.8
• DOI: 10.1111/are.12187
• Languages: English
• ISSNs: 1355-557X

Abstract

<abstract abstract-type="main" xml:lang="en" id="are12187-abs-0001"> <title>Abstract</title> <p>Live prey used for marine larval fish (rotifers and <italic>Artemia</italic>) as well as intensive larval rearing conditions are susceptible to the proliferation of bacteria that are the cause for reduced growth and larval mortality. Hydrogen peroxide has been recently proved a good disinfectant in aquaculture, either for eggs, larvae or live prey. In this study the effects of a hydrogen peroxide‐based product, Ox‐Aquaculture^©, on live prey (rotifers and <italic>Artemia</italic>) and meagre larvae bacterial load, composition and final status have been tested. A 34.6% reduction of total heterotrophic bacteria and 59.7% of <italic>Vibrionaceae</italic> were obtained when rotifers were exposed for 15 min to 40 mg L⁻¹ of the product. A 34.3% reduction of total heterotrophic bacteria and 37.7% of <italic>Vibrionaceae</italic> were obtained when <italic>Artemia</italic> were exposed for 5 min to 8000 mg L⁻¹ of the product. More than 95% reduction of total heterotrophic bacteria and 75% of <italic>Vibrionaceae</italic> were obtained when meagre larvae were exposed for 1 h to 20 mg L⁻¹ of the product. Furthermore, disinfection of enriched live prey with the product did not change the fatty acid composition and survival of the live prey and improved final larval survival.</p> </abstract>