MONROE - New findings from an independent study commissioned by Pinnacle Dairy, the proposed 5,800-cow dairy, may tip in the mega farm's favor after a year of roadblocks during its application process. Todd Tuls is the owner of Rock Prairie Dairy between Janesville and Delavan. Tuls used a mirror outline of the plans for Rock Prairie, which also holds more than 5,000 cattle, in his application to Green County.