Chr. Science Monitor: Lots More Cloned Animals on the Way

In another ten years or so, American pig breeders will probably use cloned boars up to half the time, reports the Monitor’s Gregory M. Lamb. He has a roundup on the history of animal cloning since Dolly the Sheep ten years ago and a look at its prospects. His sources forecast no duplicated people, but do see not only more cloned hogs but other livestock. Clones, he notes, are expensive so will probably seldom be created for slaughter. But rather than exhaust some champion bull by harvesting its semen for wide distribution, it appears, cloning the big guy so it can share the load with a few doppelgangers might make sense. So far, it says here, 15 mammals have been cloned. He also quotes an authority who says the process still needs work as most clones are genetically defective in some way.

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