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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.

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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; e-ISSN 1365-2109, meer

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Beschikbaar in	Auteurs
VLIZ: Open Marine Archive 148497 [ download pdf ]

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Trefwoorden

Population characteristics > Biomass Population characteristics > Population structure > Size distribution Population functions > Growth Products > Fishery products > Processed fishery products > Powdered products > Fish meal Survival Artemia Leach, 1819 [WoRMS]; Macrobrachium rosenbergii (De Man, 1879) [WoRMS] Marien/Kust; Zoet water

Author keywords

Artemia biomass; fishmeal; growth; survival; size distribution; Macrobrachium rosenbergii

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Auteurs		Top
Anh, N.T.N., meer Hien, T.T.T. Wille, M., meer	Hoa, N.V. Sorgeloos, P., meer

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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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