World Wide Sires, Ltd. is the world's leading cattle genetics marketing organization representing the majority of the U.S. Artificial Insemination Cooperatives. In an atmosphere of trust and cooperation, World Wide Sires brings together suppliers and customers to promote efficient global livestock production.

April 2012 Proof Data Please click here to see which reports are available.
	December 2011 Holstein Catalog View The World Wide Sires December 2011 Holstein Catalog