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Effect of different forms of Artemia biomass as a food source on survival, molting and growth rate of mud crab (Scylla paramamosain)
Anh, N.T.N.; Ut, V.N.; Wille, M.; Hoa, N.V.; Sorgeloos, P. (2011). Effect of different forms of Artemia biomass as a food source on survival, molting and growth rate of mud crab (Scylla paramamosain). Aquacult. Nutr. 17(2): E549-E558. dx.doi.org/10.1111/j.1365-2095.2010.00796.x
In: Aquaculture Nutrition. Blackwell Science: Oxford. ISSN 1353-5773; e-ISSN 1365-2095, meer
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| Trefwoorden |
Artemia Leach, 1819 [WoRMS]; Scylla paramamosain Estampador, 1950 [WoRMS]
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| Author keywords |
Artemia biomass; growth; individual and communal culture; Scylla paramamosain; shrimp meat; survival |
| Auteurs | | Top |
- Anh, N.T.N., meer
- Ut, V.N.
- Wille, M., meer
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- Hoa, N.V.
- Sorgeloos, P., meer
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| Abstract |
An experiment was conducted to evaluate the effect of different forms of Artemia biomass as a food source on survival, molting and growth rate of mud crab Scylla paramamosain. Instar 1 crablets with a mean weight of 0.0082 +/- 0.0007 g were reared both individually and communally and fed with different diets consisting of fresh shrimp meat (control feed), live Artemia biomass, frozen Artemia biomass and a dried Artemia-based formulated feed for 40 days. The highest survival was obtained for crablets receiving live Artemia (92.5% and 75.8%) followed by the groups fed with frozen biomass (90.0% and 47.5%), the control feed (72.5% and 24.2%) and the dried Artemia-based diet (60.0% and 21.7%) for individual and communal cultures, respectively. The intermolt period, the total number of moltings and the growth rate, which were determined on individually reared crabs, showed the same pattern as for survival. The results suggest that crab performance decreased in the following order: live Artemia > frozen Artemia > fresh shrimp meat > dried Artemia-based formulated feed. Live Artemia biomass proved an ideal feed for nursery of Scylla paramamosain crabs. Frozen Artemia biomass may be an alternative in times of shortage. Our findings illustrate the high potential for local utilization of Artemia biomass in Vietnam for reliable production of mud crab juveniles. |
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