Ref ID : 510
M.D. Ferrando, C.R. Janssen, E. Andreu, and Guido Persoone; Ecotoxicological studies with the freshwater rotifer Brachionus calyciflorus III. The effects of chemicals on the feeding behavior. Ecotoxicol. & Environ.Safety 26:1-9, 1993
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The effect of short-term exposure to xenobiotics on the feeding behavior of the freshwater rotifer Brachionus calyciflorus was studied. The filtration and ingestion rates of this rotifer decreased after an exposure of 5 hr to sublethal concentrations of copper, pentachlorophenolate, 3,4-dichloroaniline, and lindane. The effective concentrations at which feeding rate was reduced to 50% of that in controls (EC50) for the respective chemicals are 0.032, 1.85, 4.12, and 8.5 mg/l. The potential use of feeding behavior as test criterion for toxicity screening tests with aquatic invertebrates is discussed.