The world’s first transgenic cow was

Rosie was the first transgenic cow. In 1997, Rosie, was engineered to produce milk enriched with a human protein called alpha-lactalbumin, making it more nutritionally balanced than natural cow’s milk and suitable for babies and elderly people with special nutritional or digestive needs.

Tracy was the first transgenic sheep. It produced alpha-1-antitrypsin. Alba is transgenic rabbit. ANDi is the world’s first transgenic monkey.