Consent of BDO Seidman, LLP

EX-23 4 dex23.htm CONSENT OF BDO SEIDMAN, LLP Consent of BDO Seidman, LLP

Exhibit 23

Consent of Independent Registered Public Accounting Firm

American Vanguard Corporation

Newport Beach, CA

We hereby consent to the incorporation by reference in the Registration Statements Form S-8 (Nos. 333-125813, 333-102381, 333-76218 and 333-64220) of American Vanguard Corporation of our reports dated March 13, 2009, relating to the consolidated financial statements and financial statement schedules, and the effectiveness of American Vanguard Corporation’s internal control over financial reporting, which appear in this Form 10-K.

/s/ BDO Seidman, LLP

Los Angeles, CA

March 13, 2009