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Two transgenic pigs are irradiated under ultraviolet radiation showing their green fluorescence protein feature at a hogpen in Harbin

Two transgenic pigs are irradiated under ultraviolet radiation showing their green fluorescence protein (GFP) feature at a hogpen in Harbin, northeast China's Heilongjiang province December 26, 2006. China's first three transgenic pigs were bred successfully, China Daily reported. CHINA OUT REUTERS/China Daily (CHINA)

Cloned animals

Scientific success has added to the growing list of animals that have been cloned from adult cells, including Dolly the sheep, fish, pigs, goats, cattle, mice and even an ox-like creature called a gaur.