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Effect of different supplemental feeds on proximate composition and Artemia biomass production in salt ponds
Anh, N.T.N.; Van Hoa, N.; Van Stappen, G.; Sorgeloos, P. (2009). Effect of different supplemental feeds on proximate composition and Artemia biomass production in salt ponds. Aquaculture 286(3-4): 217-225.
In: Aquaculture. Elsevier: Amsterdam; London; New York; Oxford; Tokyo. ISSN 0044-8486; e-ISSN 1873-5622, meer
Peer reviewed article  

Beschikbaar in  Auteurs 
    VLIZ: Open Repository 211404 [ OMA ]

    Population characteristics > Biomass
    Artemia Leach, 1819 [WoRMS]
Author keywords
    Artemia biomass; Proximate compositions; Pig manure; Rice bran; Soybean meal

Auteurs  Top 
  • Anh, N.T.N., meer
  • Van Hoa, N.
  • Van Stappen, G., meer
  • Sorgeloos, P., meer

    Experiments were conducted to evaluate the effect of different pond supplements on Artemia biomass production in earthen ponds. Twelve experimental ponds (300 m2) were randomly designed. Green water as a natural food source for Artemia was supplied once every 2 days to each treatment. The treatment without supplementation was referred to as the control (GW), the second treatment (GW + PM) consisted of green water supplemented with pig manure; in the third treatment (GW + PM + RB) green water was supplemented with pig manure and rice bran. In the final treatment (GW + PM + SB) green water was supplemented with pig manure and soybean meal. Three weeks post-inoculation, growth performance in terms of Artemia length and weight in the three groups receiving supplemental feed were significantly higher than in the control (P < 0.05). A similar pattern was observed for maturation rate and fecundity of the brine shrimp adults. After 12 weeks of culture, the value for biomass production in the control was lower (1.06 ton ha- 1) as compared to the three supplemental groups. No statistical difference in biomass production was found among the groups fed complementary feeds (P > 0.05) although PM + RB and PM + SB gave better results (2.21 and 2.44 ton ha- 1, respectively) than PM alone (1.79 ton ha- 1). At the same culture period, the proximate composition of Artemia biomass was similar in all treatments. However, these values slightly changed over the culture period (i.e. protein and lipid levels were in the range of 54.9-57.8% and 10.7-11.6 %, respectively, at week 3 and 49.4-50.6% and 9.4-10.2% at week 12), indicating a fair drop in protein and lipid contents in the last week of culture while ash content slightly increased. The Artemia biomass in this study shows a proximate composition comparable with data reported in other studies, and can be considered as a suitable food source for aquatic species. Our results show that the combination of pig manure and rice bran or soybean meal can be applied in the cultivation of Artemia in salt ponds.

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