PHILIPPE PSAILA / SCIENCE PHOTO LIBRARY PHILIPPE PSAILA / SCIENCE PHOTO LIBRARY
Cloned calf, hand feeding. Researcher using his hand to feed a cloned calf (Bos taurus). The calf was cloned using genetic material from a Jersey cow. This work is being carried out at the Bio Sidus biotechnology company, in Argentina, which successfully cloned a cow in 2002. The cloned cows are intended to be used to produce human growth hormone (hGH) in their milk.
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