WILMINGTON, Mass.--(BUSINESS WIRE)--Charles River Laboratories International, Inc. (NYSE: CRL) today reported its results for the third quarter of 2010. For the quarter, net sales were $276.1 million, a decline of 7.2% from $297.5 million in the third quarter of 2009. Foreign currency translation reduced the reported sales by 1.6%. Sales declined in both the Preclinical Services (PCS) and Research Models and Services (RMS) segments.