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, Gregory J. Melsen,
Chief Financial 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/ Gregory J. Melsen
                                                   ----------------------
				                   Gregory J. Melsen
				                   Chief Financial Officer
                                                   September 12, 2005