Form: SC 13G/A

Statement of Beneficial Ownership by Certain Investors

February 12, 2001

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

Published on February 12, 2001








SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549


SCHEDULE 13G

Under the Securities Exchange Act of 1934


(Amendment No. 2)*



Idexx Laboratories, Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

45168D104

(CUSIP Number)

December 29, 2000

(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).





















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

12.3%


12 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

IA














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

6.6%


12 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

IV




CUSIP: 45168D104 Page 3 of 9







1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
The Growth Fund of America, Inc.
52-0792143

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

1,700,000


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

1,700,000


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

5.1%


12 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

IV









SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549

Schedule 13G
Under the Securities Exchange Act of 1934


Amendment No. 2

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, SMALLCAP World Fund, Inc.
and The Growth Fund of America, 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 to 4

(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:














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 12.3%
of the 33,207,000 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