Do Fleas Affect Energy Expenditure of Their Free-Living Hosts?

  title={Do Fleas Affect Energy Expenditure of Their Free-Living Hosts?},
  author={M. J. van der Kam and Alexander Degen and Irina S. Khokhlova and Boris R Krasnov and Eli Geffen},
  booktitle={PloS one},
BACKGROUND Parasites can cause energetically costly behavioural and immunological responses which potentially can reduce host fitness. However, although most laboratory studies indicate that the metabolic rate of the host increases with parasite infestation, this has never been shown in free-living host populations. In fact, studies thus far have shown no effect of parasitism on field metabolic rate (FMR). METHODOLOGY AND RESULTS We tested the effect of parasites on the energy expenditure of… CONTINUE READING

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