Some farmers are using artificial insemination with their dairy herds in order to speed up herd improvement and increase farm income. To do this, farmers have frequently joined together to form cooperative breeding associations.
Thompson, Sam H.
"A New Field for CO-OPS,"
Iowa Farm Science: Vol. 1
, Article 5.
Available at: https://lib.dr.iastate.edu/farmscience/vol1/iss6/5