The growth performance of Jade Tiger cultured abalone fed diets supplemented with fish oil and vegetable oils

Mateos, Hintsa T., Lewandowski, Paul A. and Su, Xiao Q. 2013, The growth performance of Jade Tiger cultured abalone fed diets supplemented with fish oil and vegetable oils, Journal of the science of food agriculture, vol. 93, no. 6, pp. 1389-1396.

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Title The growth performance of Jade Tiger cultured abalone fed diets supplemented with fish oil and vegetable oils
Author(s) Mateos, Hintsa T.
Lewandowski, Paul A.
Su, Xiao Q.
Journal name Journal of the science of food agriculture
Volume number 93
Issue number 6
Start page 1389
End page 1396
Total pages 8
Publisher John Wiley & Sons
Place of publication Chichester, England
Publication date 2013-04
ISSN 0022-5142
1097-0010
Keyword(s) abalone
growth
fish oil
flaxseed oil
canola oil
n-3 fatty acids
Summary Background
The effects of fish oil (FO) supplementation and the dietary replacement of FO with flaxseed oil (FlaxO) and canola oil (CO) on the growth of cultured abalone was investigated. The study involved three growth experiments: (E1) diets containing 0.5, 1.0, 1.5, 2.0 and 2.5% of FO, respectively; (E2) diets in which FO was serially replaced by 25, 50, 75 and 100% FlaxO, respectively; and (E3) diets in which FO was serially replaced by 25, 50, 75 and 100% CO, respectively.

Results
In Experiment 1, abalone fed a diet supplemented with 1.5% FO showed a significantly higher (121.2 ± 1.1 mg day−1) daily growth rate of weight (DGRw) compared to control (70.1 ± 1.71 mg day−1). In Experiment 2, abalone fed 1.5% FO diet and diets containing 25–75% FlaxO showed no significant differences in DGRw. The diet containing 100% FlaxO showed significantly lower (63.3 ± 6.7 mg day−1) DGRw. In Experiment 3, abalone fed diets containing 25% and 50% CO showed similar DGRw as those fed a 1.5% FO diet. The diet containing 75% and 100% CO showed significantly lower (63.7 ± 5.0 to 95.4 ± 5.1 mg day−1) DGRw.

Conclusion
Supplementation with 1.5% of dietary FO can improve growth performance in cultured abalone. It is feasible to replace 75% of dietary FO with FlaxO and 50% of dietary FO with CO, without negative effect on growth performance.
Language eng
Field of Research 111103 Nutritional Physiology
Socio Economic Objective 920411 Nutrition
HERDC Research category C1 Refereed article in a scholarly journal
Persistent URL http://hdl.handle.net/10536/DRO/DU:30050511

Document type: Journal Article
Collection: School of Medicine
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