WILMINGTON, Mass.--(BUSINESS WIRE)--Charles River Laboratories International, Inc. (NYSE:CRL) today reported its results for the fourth-quarter and full-year 2015 and provided guidance for 2016. For the quarter, revenue from continuing operations was $353.9 million, an increase of 7.4% from $329.5 million in the fourth quarter of 2014. Foreign currency translation reduced reported revenue growth by 3.9%. On a constant-currency basis, revenue growth of 11.3% was driven primarily by the Manufacturing Support and Discovery and Safety Assessment segments. Research Models and Services revenue also increased on a constant-currency basis.