Abstract
Performance of oysters selected for dermo resistance compared to wild oysters in northern Gulf of Mexico estuaries
Highlights
Off-bottom oyster aquaculture is a nascent and fastexpanding industry in the northern Gulf of Mexico (Maxwell et al 2008, Walton et al 2013a)
At the end of the study, significant differences in cumulative mortality were found between stocks at Sandy Bay (p < 0.001) and Dauphin Island (p < 0.001)
The mortality, growth, Perkinsus marinus infection intensity and condition index of 1 oyster stock selected for dermo resistance in Louisiana and 3 unselected stocks, 1 from Louisiana and 2 from Alabama estuaries, were compared at 2 Alabama sites
Summary
Off-bottom oyster aquaculture is a nascent and fastexpanding industry in the northern Gulf of Mexico (Maxwell et al 2008, Walton et al 2013a). Previous research studies in the northeastern and mid-Atlantic regions have successfully bred stocks of eastern oysters with increased resistance to the effects of Haplosporidium nelsoni (MSX) (Haskin & Ford 1979, Matthiessen et al 1990) as well as to the effects of both MSX and dermo (Ragone Calvo et al 2003a) and Roseovarius oyster disease (Davis & Barber 1999) Following these findings, selective breeding programs were organized and have significantly contributed to the expansion and success of oyster aquaculture in those regions (Guo et al 2008, FrankLawale et al 2014, Proestou et al 2016)
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