SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ----------------- Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 22, 2003 VCA Antech, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 001-16783 95-4097995 (State or Other Jurisdiction (Commission (IRS Employer of Incorporation) File Number) Identification No.) 12401 West Olympic Boulevard Los Angeles, California 90064-1022 (Address of Principal Executive Offices) (310) 571-6500 (Registrant's Telephone Number) 1 ITEM 5. OTHER EVENTS Reference is made to the press release of Registrant issued on October 22, 2003, regarding earnings guidance, which is incorporated herein by reference. A copy of the press release is attached to this Form 8-K as Exhibit 99.1. ITEM 7. FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS (c) Exhibits 99.1 Press release dated October 22, 2003, regarding earnings guidance. 99.2 Press release dated October 22, 2003, regarding earnings for the third quarter of fiscal 2003. ITEM 12. Results of Operations and Financial Condition Reference is made to the press release of Registrant issued on October 22, 2003, regarding earnings for the third quarter of fiscal 2003, which is incorporated herein by reference. A copy of the press release is attached to this Form 8-K as Exhibit 99.2. 2 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. October 22, 2003 VCA Antech, Inc. /s/ Tomas W. Fuller ---------------------------- By: Tomas W. Fuller Its: Chief Financial Officer 3 EXHIBIT INDEX Exhibits 99.1 Press release dated October 22, 2003, regarding earnings guidance. 99.2 Press release dated October 22, 2003, regarding earnings for the third quarter of fiscal 2003. 4