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8-K - LIVE FILING - CHARLES RIVER LABORATORIES INTERNATIONAL, INC.htm_52843.htm

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statement on Form  S-3ASR (No. 333-182969) and Forms S-8 (No. 333-190292, No. 333-174971, No. 333-161024, No. 333-144177, No. 333-124853, No. 333-105803, No. 333-61336 and No. 333-47768) of Charles River Laboratories International, Inc. of our report dated February 17, 2015 relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.

/s/ PricewaterhouseCoopers LLP 
Boston, Massachusetts
February 17, 2015