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Performance of murray cod, Maccullochella peelii peelii (Mitchell) in response to different feeding schedules

Abery, Nigel W. and De Silva, Sena 2005, Performance of murray cod, Maccullochella peelii peelii (Mitchell) in response to different feeding schedules, Aquaculture research, vol. 36, no. 5, pp. 472-478, doi: 10.1111/j.1365-2109.2005.01230.x.

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Title Performance of murray cod, Maccullochella peelii peelii (Mitchell) in response to different feeding schedules
Formatted title Performance of murray cod, Maccullochella peelii peelii (Mitchell) in response to different feeding schedules
Author(s) Abery, Nigel W.
De Silva, Sena
Journal name Aquaculture research
Volume number 36
Issue number 5
Start page 472
End page 478
Publisher Blackwell Publishing Ltd.
Place of publication Oxford, England
Publication date 2005
ISSN 1355-557X
1365-2109
Keyword(s) murray cod
carcass composition
feed consumption
growth
FCR
feed management
Summary The Australian freshwater fish Murray cod, Maccullochella peelii peelii (Mitchell) is gaining popularity as a suitable species for intensive culture, particularly in closed systems. The aim of this study was to evaluate the performance of Murray cod in response to different feeding schedules. Growth, survival, food conversion and a range of other related parameters including carcass proximate composition were evaluated for fish in five feed management regimes. The feeding regimes used in the experiment were hand fed to satiation twice daily (SAT), a pre-determined ration of 1.2% of the body weight day−1 which was hand fed twice daily (HFR), and belt fed through the day only (B/D), belt fed through the night only (B/N) and belt fed for 24 h (B/DN). Each of the five feeding regimes was randomly allocated to three tanks (triplicates). All of the feeding regimes used a commercially prepared diet formulated specifically for Murray cod, containing ≈50% protein and ≈16% lipid. The experiment was conducted for 84 days. Specific growth rate ranged from 0.89±0.01 to 1.07±0.04% day−1. Food conversion ratio (FCR) ranged from 1.09±0.02 to 0.92±0.03. The fastest growth and greatest final body weight were observed in the SAT treatment; however, the highest FCR, visceral fat index (VFI %) and hepatosomatic index (HSI %) were also observed in this treatment. Significant differences were found in specific growth rate and final mean weight between fish in the B/D and SAT treatments. B/N and B/DN feeding regimes appeared to result in the most favourable fish performance.
Language eng
DOI 10.1111/j.1365-2109.2005.01230.x
Field of Research 070401 Aquaculture
Socio Economic Objective 970107 Expanding Knowledge in the Agricultural and Veterinary Sciences
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2005, Blackwell Publishing Ltd.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30003167

Document type: Journal Article
Collection: School of Ecology and Environment
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