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Continuous production of the rotifer Brachionus plicatilis rotundiformis (S-type) in an intensive chemostat culture system has been investigated. The production dynamics of rotifers in relation to different flow rates and feed regimes show that the growth rate and production depends on the type of algal feed and flow rate utilized in the culture system. It was possible to achieve a mean production of up to 318.84 × 106 rotifers m–3 d–1 at a flow rate of 6 1 h–1 in 100 1 chemostats and up to 261.21 × 106 rotifers m–3 d–1 at a flow rate of 40 1 h –1 while using 1 m3 capacity rotifer chemostats as production units. The 3 fatty acid composition of rotifers while using Chlorella and Nannochloropsis in the culture system has been described. The results of this investigation show that the rotifer productivity in the continuous culture system is considerably higher than in any of the conventional culture systems described to date for aquacultural purposes.This research was financed by the Kuwait Foundation for the Advancement of Sciences (KFAS), Kuwait, under a contract research project code 86-04-02. 相似文献
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The effect of different cell densities of marine Chlorella sp. on the growth rate, doubling time and production of the rotifer Brachionus plicatilis was investigated. A significant increase in rotifer production was achieved at a density of 50 × 106
Chlorella cells ml–1. The nutritional quality of rotifers grown at different concentrations of Chlorella is discussed. 相似文献
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