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Immune challenge induces terminal investment at an early breeding stage in female zebra finches

Author

Listed:
  • Sandra Sköld-Chiriac
  • Jan-Åke Nilsson
  • Dennis Hasselquist

Abstract

Animals are usually faced with a trade-off between investing in reproduction or in survival. Although animals normally seek a compromise, they might invest most of their resources into reproduction if they feel that this may be the last reproductive event in their life. We vaccinated female zebra finches, resulting in their immune system signaling sickness. Vaccinated finches produced more eggs than controls, thus reacting as if they were making a final investment.

Suggested Citation

  • Sandra Sköld-Chiriac & Jan-Åke Nilsson & Dennis Hasselquist, 2019. "Immune challenge induces terminal investment at an early breeding stage in female zebra finches," Behavioral Ecology, International Society for Behavioral Ecology, vol. 30(1), pages 166-171.
    • Handle: RePEc:oup:beheco:v:30:y:2019:i:1:p:166-171.
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    File URL: http://hdl.handle.net/10.1093/beheco/ary147
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