Age-specific fecundity under pathogenic threat in an insect: terminal investment versus reproductive restraint

Charly Jehan, Camille Sabarly, Thierry Rigaud & Yannick Moret
The terminal investment hypothesis predicts that as an organism’s prospects for survival decrease, through age or when exposed to a pathogenic infection, it will invest more in reproduction, which should trade-off against somatic maintenance (including immunity) and therefore future survival. Attempts to test this hypothesis have produced mixed results, which, in addition, mainly rely on the assessment of changes in reproductive effort and often overlooking its impact on somatic defences and survival. Alternatively, animals may...
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