FAR 2022/48 Surveys of the Foveaux Strait oyster (Ostrea chilensis) fishery (OYU 5) and Bonamia exitiosa prevalence, intensity, and disease mortality in February 2021

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FAR-2022-48-Foveaux-Strait-Oyster-Survey-And-Bonamia-Mortality-February-2021-4208.pdf

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FAR-2022-48-Foveaux-Strait-Oyster-Survey-And-Bonamia-Mortality-February-2021-4208.pdf (9.7 MB)

Abstract
A survey of Foveaux Strait oysters (OYU 5) in February 2021 found all the key indicators show continued rebuilding of the fishery. Oyster spat settlement was high. Commercial-sized, recruit, pre-recruit oysters increased 28.3%, 51.2%, 83.6%, and 3.7% respectively since 2020. Increases may in part be due to inter survey variation. Bonamia was low in 2021 with prevalence of infection 5.4%, non-fatal infections 0.7%, and Bonamia mortality 4.3%, all similar to 2020, and likely to be low in 2022.

Document date
Wednesday, 21 September 2022

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V 1.3

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Adobe PDF

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9.7 MB

Reference number
2022/48

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FAR-2022-48-Foveaux-Strait-Oyster-Survey-And-Bonamia-Mortality-February-2021-4208.pdf

Uploaded date
Wednesday, 21 September 2022

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ISBN: 978-1-99-105241-4;
ISSN: 1179-5352;
FAR: 2022/48;
AUTHOR: Michael, K.P.; Bilewitch, J.; Rexin, D.; Forman, J.; Hulston, D.; Moss, G.;

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