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Effect of fishmeal replacement with Artemia biomass as a protein source in practical diets for the giant freshwater prawn Macrobrachium rosenbergii
Anh, N.T.N.; Hien, T.T.T.; Wille, M.; Hoa, N.V.; Sorgeloos, P. (2009). Effect of fishmeal replacement with Artemia biomass as a protein source in practical diets for the giant freshwater prawn Macrobrachium rosenbergii. Aquac. Res. 40(6): 669-680. dx.doi.org/10.1111/j.1365-2109.2008.02143.x
In: Aquaculture Research. Blackwell: Oxford. ISSN 1355-557X, more
Peer reviewed article

Available in Authors 
    VLIZ: Open Repository 148497 [ OMA ]

Keywords
    Biomass; Fish meal; Growth; Size distribution; Survival; Artemia Leach, 1819 [WoRMS]; Macrobrachium rosenbergii (de Man, 1879) [WoRMS]; Marine; Fresh water
Author keywords
    Artemia biomass; fishmeal; growth; survival; size distribution; Macrobrachium rosenbergii

Authors  Top 
  • Anh, N.T.N., more
  • Hien, T.T.T.
  • Wille, M., more
  • Hoa, N.V.
  • Sorgeloos, P., more

Abstract
    A 30-day feeding experiment was conducted in 160-L plastic tanks to evaluate the potential use of Artemia biomass as a protein source in practical diets for postlarval Macrobrachium rosenbergii (initial mean weight of 12.12-12.29 mg). Nine isoenergetic and isonitrogenous experimental diets (approximately 40% crude protein) were formulated by replacing levels of the fishmeal (FM) protein difference either with dried or frozen Artemia (0, 25, 50, 75 and 100%). The 0% Artemia treatment, in which Peruvian FM was the only main protein source, was considered to be the control diet. The results showed that prawn postlarvae (PLs) fed the FM control diet had a lower survival (46%) compared with all Artemia diets. Significant differences (P<0.05) were, however, only found at 75% and 100% Artemia protein inclusion levels (survival of 68-77%). A gradual increase in growth performance (live weight gain, specific growth rate and total length) of the prawns was achieved on increasing dietary inclusion of Artemia protein. Additionally, the size distribution exhibited the same response as growth performance. However, prawns fed the frozen Artemia diets showed a better performance than the ones fed the dried Artemia diets. It can be suggested that Artemia biomass may totally replace FM in practical diets for PLs of the freshwater prawn M. rosenbergii.

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