Koala-control plan uses contraceptives
MELBOURNE, Australia – Koalas are considered in danger of extinction in parts of Australia, but in one southern state authorities plan to implant 2,000 of the furry marsupials with contraceptives to control their numbers.
The $358,000 plan to implant contraceptives in up to 2,000 koalas will happen over the next 10 weeks at a national park in Victoria state, said John Thwaites, the environment minister.
“It would serve no one’s interests if Victoria’s koala management strategy wasn’t about conservation of the species, and this means controlling population numbers where the animals are eating out their own food source and protecting natural habitat where numbers are low,” Thwaites said Thursday.
Koala populations are unevenly spread across the state, Thwaites said. In some areas population density is so high that local vegetation is being destroyed.
Trials of the slow-release hormone show that it prevents conception for up to six years, he said.
While koalas in Victoria are thriving, they are in danger of extinction in much of Australia’s eastern seaboard, conservationists warn. They say urban sprawl is destroying the koalas’ habitat. They survive on leaves from a small number of eucalyptus tree species.
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