WILMINGTON, Mass.--(BUSINESS WIRE)--Charles River Laboratories International, Inc. (NYSE: CRL) announced today that it will present at the Jefferies 2010 Global Life Sciences Conference in New York on Thursday, June 10th, at 10:00 a.m. ET. Management will present an overview of Charles River’s strategic focus and business developments, including its proposed acquisition of WuXi PharmaTech (Cayman) Inc.