<SEC-DOCUMENT>0001100682-20-000020-index.html : 20200528
<SEC-HEADER>0001100682-20-000020.hdr.sgml : 20200528
<ACCEPTANCE-DATETIME>20200528171428
ACCESSION NUMBER:		0001100682-20-000020
CONFORMED SUBMISSION TYPE:	SD
PUBLIC DOCUMENT COUNT:		1
<RULE>
<RULE-NAME>13p-1
<ITEM>
<ITEM-NUMBER>1.01
<ITEM-PERIOD>20191231
</ITEM>
</RULE>
FILED AS OF DATE:		20200528
DATE AS OF CHANGE:		20200528

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:			1226

	FILING VALUES:
		FORM TYPE:		SD
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15943
		FILM NUMBER:		20922291

	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>SD
<SEQUENCE>1
<FILENAME>a2019formsd.htm
<DESCRIPTION>SD
<TEXT>
Document 1 - file: a2019formsd.htm

</DOCUMENT>
</SEC-DOCUMENT>