ITEM 8.01: OTHER EVENTS Reference is made to the press release of Registrant issued on October 25, 2006, regarding supplemental information to accompany its financial 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 9.01: FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS (c) Exhibits 99.1 Press release dated October 25, 2006, regarding supplemental information to accompany financial guidance. 2 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. October 25, 2006 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 25, 2006, regarding supplemental information to accompany financial guidance. 4