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The World of Protozoa, Rotifera, Nematoda and Oligochaeta

Ref ID : 712

Terry W. Snell, Charles J. Bieberich, and Ronald Fuerst; The effects of green and blue-green algal diets on the reproductive rate of the rotifer Brachionus plicatilis. Aquaculture 31:21-30, 1983

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The reproducitve rate of the rotifer Brachionus plicatilis cultured on a variety of diets was investigated. Unialgal and mixed diets of the green alga Chlorella and the blue-green alga Schizothrix were compared. Rotifer reproductive rate was found to be an average of 2.7 times higher on a mixed diet of Chlorella and Schizothrix than on either Chlorella or Schizothrix as a unialgal diet. Enhancement of rotifer reproductive rate was not observed on a mixed diet of Chlorella and Dunaliella compared with a unialgal diet of Chlorella. Ingestion of Schizothrix was shown not to be required for enhancement of rotifer reproduction. It was further shown that the enhancing factor is heat labile substance.