Preferential feeding behaviour of Daphnia magna

O. Hadas; B. Z. Cavari; Y. Kott; U. Bachrach

doi:10.1007/BF00017537

Preferential feeding behaviour of Daphnia magna

O. Hadas^*, B. Z. Cavari, Y. Kott, U. Bachrach

^*Corresponding author for this work

Institute for Medical Research Israel-Canada (IMRIC)

Research output: Contribution to journal › Article › peer-review

16 Scopus citations

Abstract

Preferential feeding behaviour by Daphnia magna was shown when Daphnia were fed on a mixture of ¹⁴C-labelled algae (Chlorella vulgaris or Scenedesmus quadricauda) and ³H-labelled bacteria (Escherichia coli). Daphnia consumption of bacteria was equal or higher in the presence of algae. On the other hand, in the presence of bacteria, algal consumption decreased by 40-70% compared to algal consumption in the absence of bacteria. ¹⁴C radioactive uptake was in good agreement with the chlorophyll content and demonstrates the preferential feeding behaviour of Daphnia.

Original language	English
Pages (from-to)	49-52
Number of pages	4
Journal	Hydrobiologia
Volume	89
Issue number	1
DOIs	https://doi.org/10.1007/BF00017537
State	Published - Apr 1982

Keywords

Daphnia
algal - bacterial
consumption

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10.1007/BF00017537

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title = "Preferential feeding behaviour of Daphnia magna",

abstract = "Preferential feeding behaviour by Daphnia magna was shown when Daphnia were fed on a mixture of 14C-labelled algae (Chlorella vulgaris or Scenedesmus quadricauda) and 3H-labelled bacteria (Escherichia coli). Daphnia consumption of bacteria was equal or higher in the presence of algae. On the other hand, in the presence of bacteria, algal consumption decreased by 40-70% compared to algal consumption in the absence of bacteria. 14C radioactive uptake was in good agreement with the chlorophyll content and demonstrates the preferential feeding behaviour of Daphnia.",

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AU - Hadas, O.

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N2 - Preferential feeding behaviour by Daphnia magna was shown when Daphnia were fed on a mixture of 14C-labelled algae (Chlorella vulgaris or Scenedesmus quadricauda) and 3H-labelled bacteria (Escherichia coli). Daphnia consumption of bacteria was equal or higher in the presence of algae. On the other hand, in the presence of bacteria, algal consumption decreased by 40-70% compared to algal consumption in the absence of bacteria. 14C radioactive uptake was in good agreement with the chlorophyll content and demonstrates the preferential feeding behaviour of Daphnia.

AB - Preferential feeding behaviour by Daphnia magna was shown when Daphnia were fed on a mixture of 14C-labelled algae (Chlorella vulgaris or Scenedesmus quadricauda) and 3H-labelled bacteria (Escherichia coli). Daphnia consumption of bacteria was equal or higher in the presence of algae. On the other hand, in the presence of bacteria, algal consumption decreased by 40-70% compared to algal consumption in the absence of bacteria. 14C radioactive uptake was in good agreement with the chlorophyll content and demonstrates the preferential feeding behaviour of Daphnia.

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KW - consumption

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Preferential feeding behaviour of Daphnia magna

Abstract

Keywords

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