Koalas to undergo contraceptive implants:
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[World News] Canberra, Oct 2 : Up to 2,000 female koalas will be implanted with a slow-release hormone in Australia to keep their numbers down, reports Xinhua.
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The options for male contraception have been limited to condoms and vasectomies. But researchers now point to a new method that shows promise, a shot that prompts an immune reaction to a protein produced in the male reproductive system.
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Low sperm counts and other  reproductive problems are preventing pregnancy among Malaysia&#39;s  endangered rhinos, a worrying trend that wildlife experts say  could hasten its extinction.
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Iowa wildlife experts are looking into a new deer contraceptive that could curb the state's multimillion-dollar-a-year overpopulation problem.
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"The fear is that (scientists) are trying to breed a human with some other creature"  British authorities decided Wednesday to permit research that uses animal eggs to create human stem cells - studies experts say are critical to unlocking treatments for Alzheimer's, Parkinson's and other ... via The South Mississippi Sun Herald
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Safe no more: An acute global shortage in contraceptives has experts in Africa predicting a population explosion and a frightening spread of AIDS.
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Officials have tried poison, gassing and euthanasia to control a breeding frenzy among squirrels in a city park here. Now, they plan to give birth control a shot.
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THURSDAY, Nov. 11 (HealthDayNews) -- A vaccine against a sperm-related protein made male monkeys temporarily infertile, an approach that might lead to a contraceptive for men, researchers report.
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A WORLD-first study conducted in South Australia has found taking the male hormone testosterone reduces the incidence of breast cancer in women on hormone replacement therapy.
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The promiscuous habits of female cheetahs are uncovered by scientists studying the species.
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SUNDAY, Dec. 12 (HealthDayNews) -- The day when men can take a pill or rely on an implant to keep them from fathering a child may only be a few years away, experts say.
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Orangutans, using water and their wits, have emulated a crow in Aesop&#39;s fable which illustrated the saying &quot;Necessity is the mother of invention,&quot; German researchers reported on Wednesday.
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NEW YORK  - An effective hormonal contraceptive for men may be on the horizon, a new study suggests.
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Scientists in Australia have found a link between estrogen therapy given to teenage girls to reduce their height and fertility problems later in life.
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Male chimpanzees have evolved huge testicles and sperm counts for their body size. Among gorillas, females mate only with a dominant male, and accordingly, gorillas&#39; testicles are tiny.
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Washington - The world of male contraception has been limited to condoms and vasectomies. But researchers now point to a new method that shows promise - a shot that prompts an immune reaction to a protein produced in the male reproductive system.
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Wild populations of Australian dingoes may go extinct within 50 years unless steps are taken to prevent crossbreeding with domestic dogs, scientists and conservationists say.