Viatina-19, a Nelore cow from Brazil, was sold for a record $4 million, making her the world's most expensive cow. Renowned for her unmatched genetics and muscular build, Viatina-19's lineage will ...

"She's a complete cow and has all the characteristics that proprietors are looking for," Martins added. According to Oklahoma State University data, Brazil is now the world's largest breeder of ...