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Keywords:

  • Toxicity test;
  • Chronic daphnid test;
  • Cladoceran test;
  • Aquatic toxicity;
  • Life cycle test method;
  • Ceriodaphnia reticulata;
  • Culturing of cladocerans

Abstract

A three-brood life cycle test for Ceriodaphnia reticulata, using renewal techniques, that can be completed in 7 d is described. The test is convenient when samples to be tested are limited in volume or when time is especially important, such as in on-site effluent testing. The cladoceran C. reticulata is easily cultured and is not bothered by handling; control survival in tests has not been a problem.