Dietary preferences, growth and condition of triploid and diploid Pacific oysters, Crassostrea gigas (Thunberg), in Little Swanport Estuary, Tasmania, Australia

Research on triploid Pacific oysters, Crassostrea gigas (Thunberg), has predominantly compareddiploid and triploid oysters in relation to growing conditions, disease resistance and allocation ofenergy resources. Triploid Pacific oysters show a 3181% increase in growth over diploids, a difference mor...

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Bibliographic Details
Published in:Aquaculture Research
Main Authors: McCarthy, A, Crawford, C, Eriksen, R, Ross, DJ
Format: Article in Journal/Newspaper
Language:English
Published: Blackwell Publishing Ltd 2015
Subjects:
Biological Sciences
Ecology
Marine and Estuarine Ecology (incl. Marine Ichthyology)
Pacific
Crassostrea gigas
Online Access:https://doi.org/10.1111/are.12776
http://ecite.utas.edu.au/100718
Description
Summary:Research on triploid Pacific oysters, Crassostrea gigas (Thunberg), has predominantly compareddiploid and triploid oysters in relation to growing conditions, disease resistance and allocation ofenergy resources. Triploid Pacific oysters show a 3181% increase in growth over diploids, a difference more pronounced in good growing areas. Yet, relatively little is known about the importance of diet in explaining the greater growth of triploids. The aims for this study were twofold: to compare the composition of diploid and triploid stomach samples to food availability in the water column; and to measure the growth and condition of these oysters at two sites, in the upper and lower estuary.

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