Growth of juvenile southern rock lobsters, Jasus edwardsii, is influenced by diet and temperature, whilst survival is influenced by diet and tank environment

The growth and survival of juvenile (2–15 g) southern rock lobsters ( Jasus edwardsii) were examined under various culture regimes. In Experiment 1, lobsters held at ambient (13–18°C) or 18°C were fed either fresh mussels, a commercial prawn diet or a moist diet. Growth (specific growth rate (SGR)=1...

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Bibliographic Details
Published in:Aquaculture 2000-10, Vol.190 (1), p.169-182
Main Authors: Crear, B.J, Thomas, C.W, Hart, P.R, Carter, C.G
Format: Article
Language:English
Subjects:
Ambient temperature
Animal aquaculture
Animal behavior
Animal productions
Biological and medical sciences
Crustacea
Crustaceans
Culture
Diet
Fundamental and applied biological sciences. Psychology
Growth
Hides
Invertebrate aquaculture
Jasus edwardsii
Marine
Mollusks
Nutrition
Physical growth
Rocks
Spiny lobsters
Temperature
Water temperature
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Summary:The growth and survival of juvenile (2–15 g) southern rock lobsters ( Jasus edwardsii) were examined under various culture regimes. In Experiment 1, lobsters held at ambient (13–18°C) or 18°C were fed either fresh mussels, a commercial prawn diet or a moist diet. Growth (specific growth rate (SGR)=1.2–1.32% BW day −1), survival (98%) and food conversion ratios (FCR=1.26–1.29) were significantly better ( P0.05), when the lobsters were fed mussels. There was a significant interaction ( P0.05), although they did not increase growth ( P>0.05) compared to tanks without hides. The provision of a substrate to aid the lobsters in the moulting process did not prevent cannibalism. Lobsters grew significantly faster ( P
ISSN:0044-8486
1873-5622
DOI:10.1016/S0044-8486(00)00391-4