ST. PAUL, Minn.--(BUSINESS WIRE)--Patterson Companies, Inc. (Nasdaq: PDCO), today announced that it will hold its fiscal 2016 first-quarter conference call on Thursday, Aug. 27 at 9 a.m. CT (10 a.m. ET). The company’s earnings release will be issued that morning before the market opens. To access the live webcast, go to the investor relations section of the company’s website, www.PattersonCompanies.com. The first-quarter fiscal 2016 earnings conference call replay will be available beginning at