TECHNE CORPORATION

                          CERTIFICATION PURSUANT TO
                            18 U.S.C. SECTION 1350,
                            AS ADOPTED PURSUANT TO
            SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002


In connection with the Annual Report of Techne Corporation (the "Company") on
Form 10-K for the year ended June 30, 2005 as filed with the Securities and
Exchange Commission on the date hereof (the "Report"), I, Thomas E. Oland,
Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C.
Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of
2002, that:

     (1) The Report fully complies with the requirements of Section 13(a)
         or 15 (d) of the Securities Exchange Act of 1934; and

     (2) The information contained in the Report fairly presents, in all
         material respects, the financial condition and results of operations
         of the Company.


                                         /s/ Thomas E. Oland
                                         -------------------------
                                         Thomas E. Oland
                                         Chief Executive Officer
                                         September 12, 2005