1870 and 1900, dairying rose to a prominent place in
Wisconsin agriculture, thanks to promotion, marketing,
research, education, and scientific advances in feed,
breeding, medicine, testing, and processing conducted
by organizations such as the Wisconsin Dairymen’s Association
and the University of Wisconsin. By World War I, Wisconsin
ranked first in the nation in dairy production.
state remained an industry leader throughout the 1900s.
The Wisconsin Legislature promoted this reputation by
placing the slogan, "America’s Dairyland,"
on automobile license plates starting in 1940. Today,
Wisconsin produces 15% of the country’s milk, 25% of
its butter, and 30% of its cheese. The World Dairy Expo
in Madison annually attracts over 70,000 visitors from
around the world to learn the latest developments in