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Improvements in larviculture of Crangon crangon as a step towards its commercial aquaculture
Van Eynde, B.; Vuylsteke, D.; Christiaens, O.; Cooreman, K.; Smagghe, G.; Delbare, D. (2019). Improvements in larviculture of Crangon crangon as a step towards its commercial aquaculture. Aquac. Res. 50(6): 1658-1667. https://dx.doi.org/10.1111/are.14048
In: Aquaculture Research. Blackwell: Oxford. ISSN 1355-557X; e-ISSN 1365-2109, meer
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| Trefwoorden |
Crangon crangon (Linnaeus, 1758) [WoRMS]; Crustacea [WoRMS]
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| Author keywords |
aquaculture, crustaceans, density, feeding, larviculture, temperature |
| Abstract |
The European brown shrimp, Crangon crangon, is a highly valued commercial species in Europe. These shrimp fisheries are characterized by strong seasonal variations in average landings. Attempts to 'catch and hold' wild adults in land-based rearing systems have been proven to be very difficult, due to inadequate feed, slow growth and high mortality. In this study, we have optimized design and operation procedures of a small-scale static larval rearing system for the culture of C. crangon larvae. Focus was on optimizing larval survival via water temperature, feed selection, feeding regime and density. This is the first report that shows that C. crangon larvae can be reared at high densities of 300 larvae L-1 with high survival of 73.5 (+/- 5.4)% under laboratory conditions. In these systems, larvae can be fed exclusively Artemia nauplii according to a feeding regime which is adjusted based on major moulting events. Addition of microalgae may further increase survival by 10%. The information gathered during this research can be applied to further optimize larval development in either flow-through or recirculation systems. |
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