NEW ULM — A farm wife who plays a major role at a Registered Holstein dairy operation near Sleepy Eye testified for seven hours Tuesday in a civil case alleging stray voltage issues nearly put the family farm out of business a couple of years ago. Under examination from plaintiff’s attorney Jeremy Stevens, Jill Nelson of Olmar Farms testified that converting electrical service on the farm to three-phase power at their own expense in 2017 solved the stray voltage issues that power testers for the Brown County Rural Electrical Association (REA) said were not present on the farm. ...