Sterilisation may increase lifespan across 117 different species

Thursday 11 December 2025 · 2 outlets · 2 reports · updated Thu 11 Dec 2025, 5:00am

In this story University of Otago

A University of Otago study found that preventing reproduction can extend the lifespan of mammals. Researchers analysed data from 117 species housed in zoos and aquariums worldwide.

How they headlined it

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1. Otago Daily TimesThu 11 Dec 2025, 4:30am

   Not having offspring key to long life: study (opens in new tab)

2. NZ HeraldThu 11 Dec 2025, 5:00am

   University of Otago study: Sterilisation boosts lifespan across 117 species (opens in new tab)