Microbiological aspects of an oyster (Crassostrea gigas) hatchery, with special reference to larval mortalities ...
Investigations of the cause/s of larval mortalities at a commercial Pacific oyster (Crassostrea gigas) hatchery in Tasmania, Australia, were carried out during successive production seasons. Epidemiological evidence suggested that cultures of microalgae, harvested semicontinuously as food for larval...
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University Of Tasmania
2023
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Online Access: | https://dx.doi.org/10.25959/23211419 https://figshare.utas.edu.au/articles/thesis/Microbiological_aspects_of_an_oyster_Crassostrea_gigas_hatchery_with_special_reference_to_larval_mortalities/23211419 |
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ftdatacite:10.25959/23211419 2023-06-11T04:11:02+02:00 Microbiological aspects of an oyster (Crassostrea gigas) hatchery, with special reference to larval mortalities ... Lewis, TE 2023 https://dx.doi.org/10.25959/23211419 https://figshare.utas.edu.au/articles/thesis/Microbiological_aspects_of_an_oyster_Crassostrea_gigas_hatchery_with_special_reference_to_larval_mortalities/23211419 unknown University Of Tasmania In Copyright http://rightsstatements.org/vocab/InC/1.0/ article-journal Text ScholarlyArticle Thesis 2023 ftdatacite https://doi.org/10.25959/23211419 2023-06-01T12:09:39Z Investigations of the cause/s of larval mortalities at a commercial Pacific oyster (Crassostrea gigas) hatchery in Tasmania, Australia, were carried out during successive production seasons. Epidemiological evidence suggested that cultures of microalgae, harvested semicontinuously as food for larval oysters (Crassostrea gigas) were the major vectors for transmission of bacterial disease. There was no evidence that bacteria associated with intake seawater, fertilised eggs or hatchery fomites (biofilmed surfaces) caused larval losses, or that non-bacteriological factors (eg. nutrition, gene pool, heavy metal contamination) were responsible for larval mortalities. All microalgal clones (Isochrysis sp. clone T. Iso., Chroomonas salina Butcher 3C, Thalassiosira pseudonana Hasle et Heimdal 3H, Chaetoceros calcitrans Paulsen, Dunaliella salina Butcher, Pavlova (Monochrysis) lutheri Droop, Tetraselmis suecica Butcher) used as food for larvae, were implicated in the transmission of disease. It was apparent that ... Thesis Crassostrea gigas Pacific oyster DataCite Metadata Store (German National Library of Science and Technology) Heimdal ENVELOPE(12.000,12.000,65.681,65.681) Pacific |
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collection |
DataCite Metadata Store (German National Library of Science and Technology) |
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description |
Investigations of the cause/s of larval mortalities at a commercial Pacific oyster (Crassostrea gigas) hatchery in Tasmania, Australia, were carried out during successive production seasons. Epidemiological evidence suggested that cultures of microalgae, harvested semicontinuously as food for larval oysters (Crassostrea gigas) were the major vectors for transmission of bacterial disease. There was no evidence that bacteria associated with intake seawater, fertilised eggs or hatchery fomites (biofilmed surfaces) caused larval losses, or that non-bacteriological factors (eg. nutrition, gene pool, heavy metal contamination) were responsible for larval mortalities. All microalgal clones (Isochrysis sp. clone T. Iso., Chroomonas salina Butcher 3C, Thalassiosira pseudonana Hasle et Heimdal 3H, Chaetoceros calcitrans Paulsen, Dunaliella salina Butcher, Pavlova (Monochrysis) lutheri Droop, Tetraselmis suecica Butcher) used as food for larvae, were implicated in the transmission of disease. It was apparent that ... |
format |
Thesis |
author |
Lewis, TE |
spellingShingle |
Lewis, TE Microbiological aspects of an oyster (Crassostrea gigas) hatchery, with special reference to larval mortalities ... |
author_facet |
Lewis, TE |
author_sort |
Lewis, TE |
title |
Microbiological aspects of an oyster (Crassostrea gigas) hatchery, with special reference to larval mortalities ... |
title_short |
Microbiological aspects of an oyster (Crassostrea gigas) hatchery, with special reference to larval mortalities ... |
title_full |
Microbiological aspects of an oyster (Crassostrea gigas) hatchery, with special reference to larval mortalities ... |
title_fullStr |
Microbiological aspects of an oyster (Crassostrea gigas) hatchery, with special reference to larval mortalities ... |
title_full_unstemmed |
Microbiological aspects of an oyster (Crassostrea gigas) hatchery, with special reference to larval mortalities ... |
title_sort |
microbiological aspects of an oyster (crassostrea gigas) hatchery, with special reference to larval mortalities ... |
publisher |
University Of Tasmania |
publishDate |
2023 |
url |
https://dx.doi.org/10.25959/23211419 https://figshare.utas.edu.au/articles/thesis/Microbiological_aspects_of_an_oyster_Crassostrea_gigas_hatchery_with_special_reference_to_larval_mortalities/23211419 |
long_lat |
ENVELOPE(12.000,12.000,65.681,65.681) |
geographic |
Heimdal Pacific |
geographic_facet |
Heimdal Pacific |
genre |
Crassostrea gigas Pacific oyster |
genre_facet |
Crassostrea gigas Pacific oyster |
op_rights |
In Copyright http://rightsstatements.org/vocab/InC/1.0/ |
op_doi |
https://doi.org/10.25959/23211419 |
_version_ |
1768385841920475136 |