Resources
Council on Dairy Cattle Breedinghttps://www.uscdcb.com/
Holstein Association USA
https://www.holsteinusa.com/
USJersey
https://www.usjersey.com/Home.aspx
Polled Dairy Cattle
http://www.polleddairycattle.com/
Red and White Dairy Cattle Association
https://www.redandwhitecattle.com/