Mad cow resistant calf is next objective

July 22, 2005 at 10:16 AM
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SEOUL, July 22 (UPI) -- The next project of South Korea's stem-cell research pioneer Hwang Woo-suk is to produce a calf resistant to mad cow disease.

Hwang recently demonstrated the transplantation of fertile eggs possessing resistance to the disease, the Chosun Ilbo newspaper reported Friday.

If all goes well, the cow is expected to give birth to a mad cow-resistant calf in 278 days, the report said. Hwang, however, warned the calf must go through a number of experiments until it can be verified to be resistant to the disease, a procedure that may take up to five years to complete.

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