UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
______________

FORM 8-K

CURRENT REPORT
Pursuant to Section 13 OR 15 (d) of the
Securities Exchange Act of 1934

MAY 3, 2011
Date of Report (Date of earliest event reported)

CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
(Exact Name of Registrant as specified in its Charter)
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781-222-6000
(Registrant’s Telephone Number, including Area Code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

⃞ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

⃞ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

⃞ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

⃞ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

ITEM 2.02.  Results of Operations and Financial Condition

The following information shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

On May 3, 2011, Charles River Laboratories International, Inc. issued a press release providing financial results for the quarter ended March 26, 2011.

The press release, attached as an exhibit to this report, includes "safe harbor" language pursuant to the Private Securities Litigation Reform Act of 1995, as amended, indicating that certain statements contained in the press release are "forward-looking" rather than historic. The press release also states that these and other risks relating to Charles River are set forth in the documents filed by Charles River with the Securities and Exchange Commission.



ITEM 9.01.  Financial Statements and Exhibits

     (a)  Not applicable.

     (b)  Not applicable.

     (c)  Exhibits.

            99.1     Press release dated May 3, 2011.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Exhibit Index

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