Form: SC 13G/A

Statement of Beneficial Ownership by Certain Investors

February 11, 2002

SC 13G/A: Statement of Beneficial Ownership by Certain Investors

Published on February 11, 2002








SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549


SCHEDULE 13G

Under the Securities Exchange Act of 1934


(Amendment No. 3)*



Idexx Laboratories, Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

45168D104

(CUSIP Number)

December 31, 2001

(Date of Event Which Requires Filing of This Statement)


Check the appropriate box to designate the rule pursuant to which this
Schedule is filed:
[X] Rule 13d-1(b)
[ ] Rule 13d-1(c)
[ ] Rule 13d-1(d)


*The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class of
securities, and for any subsequent amendment containing information which
would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be
deemed to be "filed" for the purpose of Section 18 of the Securities
Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of
that section of the Act but shall be subject to all other provisions of the
Act (however, see the Notes).













CUSIP: 45168D104 Page 1 of 7







1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Capital Research and Management Company
95-1411037

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE
INSTRUCTIONS) (a)

(b)

3 SEC USE ONLY




4 CITIZENSHIP OR PLACE OF ORGANIZATION

Delaware


5 SOLE VOTING POWER

NONE


6 SHARED VOTING POWER
NUMBER OF
SHARES
NONE
BENEFICIALL
Y OWNED BY
7 SOLE DISPOSITIVE POWER
EACH
REPORTING
4,070,000
PERSON
WITH:

8 SHARED DISPOSITIVE POWER

NONE


9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

4,070,000 Beneficial ownership disclaimed pursuant to Rule 13d-4


10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
(SEE INSTRUCTIONS)



11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

12.1%


12 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

IA




CUSIP: 45168D104 Page 2 of 7










1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
SMALLCAP World Fund, Inc.
95-4253845

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE
INSTRUCTIONS) (a)

(b)

3 SEC USE ONLY




4 CITIZENSHIP OR PLACE OF ORGANIZATION

Maryland


5 SOLE VOTING POWER

2,181,300


6 SHARED VOTING POWER
NUMBER OF
SHARES
NONE
BENEFICIALL
Y OWNED BY
7 SOLE DISPOSITIVE POWER
EACH
REPORTING
NONE
PERSON
WITH:

8 SHARED DISPOSITIVE POWER

NONE


9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

2,181,300


10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
(SEE INSTRUCTIONS)



11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

6.5%


12 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

IV




CUSIP: 45168D104 Page 3 of 7





SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549

Schedule 13G
Under the Securities Exchange Act of 1934


Amendment No. 3

Item 1(a) Name of issuer:
Idexx Laboratories, Inc.

Item 1(b) Address of issuer's principal executive offices:
One Idexx Drive
Westbrook, ME 04092

Item 2(a) Name of person(s) filing:
Capital Research and Management Company and SMALLCAP World Fund,
Inc.

Item 2(b) Address or principal business office or, if none, residence:
333 South Hope Street
Los Angeles, CA 90071

Item 2(c) Citizenship: N/A

Item 2(d) Title of class of securities:
Common Stock

Item 2(e) CUSIP No.:
45168D104

Item 3 If this statement is filed pursuant to sections 240.13d-1(b) or
240.13d-2(b) or (c), check whether the person filings is a:
(d) [X] Investment Company registered under section 8 of the
Investment Company Act of 1940 (15 U.S.C. 80a-8).
(e) [X] An investment adviser in accordance with section
240.13d-1(b)(1)(ii)(E).

Item 4 Ownership

Provide the following information regarding the aggregate number
and percentage of the class of securities of the issuer identified
in Item 1.

See pages 2 and 3

(a) Amount beneficially owned:
(b) Percent of class:
(c) Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
(ii) Shared power to vote or to direct the vote:
(iii) Sole power to dispose or to direct the disposition of:
(iv) Shared power to dispose or to direct the disposition of:





CUSIP: 45168D104 Page 4 of 7









Capital Research and Management Company, an investment adviser
registered under Section 203 of the Investment Advisers Act of 1940
is deemed to be the beneficial owner of 4,070,000 shares or 12.1%
of the 33,599,000 shares of Common Stock believed to be outstanding
as a result of acting as investment adviser to various investment
companies registered under Section 8 of the Investment Company Act
of 1940.

SMALLCAP World Fund, Inc., an investment company registered under
the Investment Company Act of 1940, which is advised by Capital
Research and Management Company, is the beneficial owner of
2,181,300 shares or 6.5% of the 33,599,000 shares of Common Stock
believed to be outstanding.

Item 5 Ownership of 5 percent or Less of a Class. If this statement is
being filed to report the fact that as of the date hereof the
reporting person has ceased to be the beneficial owner of more than
5 percent of the class of securities, check the following: [ ]

Item 6 Ownership of More than 5% on Behalf of Another Person: N/A

Item 7 Identification and Classification of the Subsidiary Which Acquired
the Security Being Reported on By the Parent Holding Company or
Control Person.: N/A

Item 8 Identification and Classification of Members of the Group: N/A

Item 9 Notice of Dissolution of Group: N/A

Item 10 Certification

By signing below, I certify that, to the best of my knowledge and
belief, the securities referred to above were acquired and are held
in the ordinary course of business and were not acquired and are
not held for the purpose of or with the effect of changing or
influencing the control of the issuer of the securities and were
not acquired and are not held in connection with or as a
participant in any transaction having that purpose or effect.

Signature

After reasonable inquiry and to the best of my knowledge and
belief, I certify that the information set forth in this statement
is true, complete and correct.



Date: February 11, 2002


Signature: *Paul G. Haaga, Jr.

Name/Title: Paul G. Haaga, Jr., Executive Vice
President

Capital Research and Management Company



CUSIP: 45168D104 Page 5 of 7








Date: February 11, 2002


Signature: *Chad L. Norton

Name/Title: Chad L. Norton, Secretary

SMALLCAP World Fund, Inc.




*By /s/ James P. Ryan

James P. Ryan
Attorney-in-fact

Signed pursuant to a Power of Attorney dated January 9, 2002
included as an Exhibit to Schedule 13G filed with the
Securities and Exchange Commission by Capital Research and
Management Company on January 10, 2002 with respect to
HotJobs.Com, Ltd.





































CUSIP: 45168D104 Page 6 of 7


AGREEMENT

Los Angeles, CA
February 11, 2002


Capital Research and Management Company ("CRMC") and SMALLCAP World
Fund, Inc. ("SCWF") hereby agree to file a joint statement on Schedule 13G
under the Securities Exchange Act of 1934 (the "Act") in connection with
their beneficial ownership of Common Stock issued by Idexx Laboratories,
Inc.

CRMC and SCWF state that they are each entitled to individually use
Schedule 13G pursuant to Rule 13d-1(c) of the Act.

CRMC and SCWF are each responsible for the timely filing of the
statement and any amendments thereto, and for the completeness and accuracy
of the information concerning each of them contained therein but are not
responsible for the completeness or accuracy of the information concerning
the others.



CAPITAL RESEARCH AND MANAGEMENT COMPANY

BY: *Paul G. Haaga, Jr.

Paul G. Haaga, Jr., Executive
Vice President
Capital Research and Management
Company


SMALLCAP WORLD FUND, INC.

BY: *Chad L. Norton

Chad L. Norton, Secretary
SMALLCAP World Fund, Inc.


*By /s/ James P. Ryan

James P. Ryan
Attorney-in-fact

Signed pursuant to a Power of Attorney dated January 9, 2002 included
as an Exhibit to Schedule 13G filed with the Securities and Exchange
Commission by Capital Research and Management Company on January 10,
2002 with respect to HotJobs.Com, Ltd.
















CUSIP: 45168D104 Page 7 of 7