Wayside Dairy, WI, USA United States Download Jeremy Natzke is co-owner of Wayside Dairy in Greenleaf, WI, USA. They have 2300 cows, all with the CowManager ear sensor, in total.“When the system was installed, we saw immediate value. Two years ago we sat at a 33% preg rate and ever since we’re on CowManager we’re at 38% for the year and we’re still climbing”