Âé¶¹´«Ã½

60 Seconds

14 December 2005

Choosing flipper

A female bottlenose dolphin is the first zoo animal to be born after its sex was artificially selected. Sea World scientists in San Diego, California, artificially inseminated its mother Sandy with sperm sorted using a method developed by XY of Fort Collins, Colorado. The technique may help zoos manage the ratios of male to female animals in their collections.

More animal experiments

The number of animals used in UK research rose by 2.1 per cent overall from 2003 to 2004. The increase was mostly the result of a hike in the numbers of genetically modified animals used in…

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