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| Content Provider | Taylor & Francis Online |
|---|---|
| Author | Marono, S. Nizza, A. Piccolo, G. Morra, F. Badini, E. Guglielmelli, A. |
| Abstract | 250 soles (30g initial weight) were randomly placed in 12 experimental tanks at the Discizia’s aquaculture marine station. They were reared at 2 different stocking densities (2.3 and 1.3kg/m2 corresponding to 40% and 25% of the bottom surface area covered by fish) and fed on 2 diets with different protein/fat ratio (50% and 54% crude protein and 21% and 18% total lipid, respectively for diets A and B) with triplicate tanks per treatment.The trial lasted 120 days. Fish stocked at the lower density resulted in significantly higher weight gain than fish reared at 2.3 kg/m2 (29.0±7.3 g vs 20.3±8.0g; P<0.01) with a specific growth rate (SGR) of 0.54±0.09 and 0.42±0.13, respectively. Feed conversion rate (FCR) was improved at the lower density (1.8 vs 2.4, P<0.01).The chemical composition of the test diets significantly affected the growth performance of sole. Diet B led to a higher final weight (59.7 vs 50.8g; P<0.01) and better feed utilisation (FCR: 1.8 vs 2.4, P<0.01). These results confirm the necessity to ensure an adequate space for the growing sole and suggest the need for high protein diets to meet sole’s requirements. |
| Starting Page | 816 |
| Ending Page | 818 |
| Page Count | 3 |
| File Format | PDF HTM / HTML |
| Journal | Italian Journal of Animal Science |
| Volume Number | 6 |
| Issue Number | sup1 |
| Language | English |
| Publisher | Taylor & Francis |
| Publisher Date | 2016-03-15 |
| Access Restriction | Open |
| Subject Keyword | Dover sole Stocking density Diet Productive performance |
| Content Type | Text |
| Resource Type | Article |
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