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Potential use of Artemia biomass by-products from Artemia cyst production for the nursing of goby Pseudapocryptes elongatus in Vietnam: effects on growth and feed utilization
Anh, N.T.N.; Wille, M.; van Hoa, N.; Sorgeloos, P. (2011). Potential use of Artemia biomass by-products from Artemia cyst production for the nursing of goby Pseudapocryptes elongatus in Vietnam: effects on growth and feed utilization. Aquacult. Nutr. 17(2): E297-E305. dx.doi.org/10.1111/j.1365-2095.2010.00763.x
In: Aquaculture Nutrition. Blackwell Science: Oxford. ISSN 1353-5773; e-ISSN 1365-2095
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| Trefwoord |
Artemia Leach, 1819 [WoRMS]
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| Author keywords |
Artemia biomass; commercial feed; feed utilization; fishmeal; growth; |
| Auteurs | | Top |
- Anh, N.T.N.
- Wille, M.
- van Hoa, N.
- Sorgeloos, P.
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| Abstract |
The present study was performed to evaluate the effect of using Artemia biomass, by-product from Artemia cyst production on growth and feed utilization of goby Pseudapocryptes elongatus fingerlings. A control diet containing fishmeal as main protein source was compared with four experimental diets in which fishmeal protein was replaced by increasing dietary levels of Artemia protein, namely 25%, 50%, 75% and 100%. The five test diets were compared with a commercial diet and dried Artemia. All diets were formulated to be equivalent in crude protein (360-370 g kg-1) and lipid (58-65 g kg-1). The experiment was conducted in 80 L plastic tanks filled with water at a salinity of 15 g L-1. Goby fingerlings with 0.21 g initial weight were fed the test diets for 30 days. The results showed that weight gain and specific growth rate of goby were positively correlated with total feed intake. Moreover, growth performances and feed utilization in the fry receiving the commercial feed and fishmeal control diet were similar, both were inferior to the groups fed dried Artemia and the based formulated diets. These results illustrate that both dried Artemia and Artemia-based feeds can be used for feeding goby fingerlings, indicating the high potential of using locally produced Artemia biomass, which could contribute to reduce the reliance on fishmeal and improve profits for Artemia producers. |
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