    <SEC-DOCUMENT>0001104659-23-038822-index.html : 20230330
    <SEC-HEADER>0001104659-23-038822.hdr.sgml : 20230330
    <ACCEPTANCE-DATETIME>20230330092621
    ACCESSION NUMBER:		0001104659-23-038822
    CONFORMED SUBMISSION TYPE:	ARS
    PUBLIC DOCUMENT COUNT:		1
    CONFORMED PERIOD OF REPORT:	20221231
    FILED AS OF DATE:		20230330
    DATE AS OF CHANGE:		20230330
    EFFECTIVENESS DATE:		20230330

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
    		CENTRAL INDEX KEY:			0001100682
    		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMMERCIAL PHYSICAL & BIOLOGICAL RESEARCH [8731]
    		IRS NUMBER:				061397316
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		ARS
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-15943
    		FILM NUMBER:		23777459

    	BUSINESS ADDRESS:
    		STREET 1:		251 BALLARDVALE ST
    		CITY:			WILMINGTON
    		STATE:			MA
    		ZIP:			01887
    		BUSINESS PHONE:		781-222-6000

    	MAIL ADDRESS:
    		STREET 1:		251 BALLARDVALE ST
    		CITY:			WILMINGTON
    		STATE:			MA
    		ZIP:			01887

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	CHARLES RIVER LABORATORIES INTERNATIONAL INC
    		DATE OF NAME CHANGE:	20000605

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	CHARLES RIVER LABORATORIES HOLDINGS INC
    		DATE OF NAME CHANGE:	19991208
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>ARS
    <SEQUENCE>1
    <FILENAME>tm237823d2_ars.pdf
    <DESCRIPTION>ARS
    <TEXT>
    Document 1 - file: tm237823d2_ars.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>