World’s most-valuable cow

An elite — and enormous — heifer in Brazil named Viatina-19 [vee-AH-ti-nah nineteen] is pregnant for the first time. But the cow already has many offspring, thanks to egg harvesting and cloning. Host Carolyn Beeler tells the story of the most expensive beef cow in the world, according to the Guinness Book of World Records, whose owners plan to export her superior genetic material around the globe. 

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