EXHIBIT 23.01 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the incorporation by reference in the Registration Statement on Form S-3 (No. 333-72312) and the Registration Statements on Form S-8 (Nos. 33-40651, 33-53403, 333-56536, 333-88162, 333-109233, 333-109234, 333-109235, 333-109238) of Kellogg Company of our report dated March 1, 2005 relating to the financial statements, management's assessment of the effectiveness of internal control over financial reporting and the effectiveness of internal control over financial reporting, which appears in the Annual Report to Shareholders, which is incorporated in this Annual Report on Form 10-K. We also consent to the incorporation by reference of our report dated March 1, 2005 relating to the financial statement schedule, which appears in this Form 10-K. PricewaterhouseCoopers LLP Battle Creek, Michigan March 1, 2005