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

journal contribution
posted on 2023-05-18, 10:21 authored by McCarthy, A, Christine CrawfordChristine Crawford, Ruth Eriksen, Donald RossDonald Ross

Research on triploid Pacific oysters, Crassostrea gigas (Thunberg), has predominantly compared diploid and triploid oysters in relation to growing conditions, disease resistance and allocation of energy resources. Triploid Pacific oysters show a 31–81% 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.

History

Publication title

Aquaculture Research

Volume

47

Issue

10

Pagination

3352-3358

ISSN

1355-557X

Department/School

Institute for Marine and Antarctic Studies

Publisher

Blackwell Publishing Ltd

Place of publication

United Kingdom

Rights statement

Copyright 2015 John Wiley & Sons Ltd

Repository Status

  • Restricted

Socio-economic Objectives

Assessment and management of terrestrial ecosystems

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