INDEPENDENT AUDITORS' CONSENT We consent to the incorporation by reference in Registration Statement No. 33-42992, 33-49160, 33-86728, 33-86732 and 333-14211 of Techne Corporation on Form S-8, of our report dated September 3, 1997, included in this Annual Report on Form 10-K of Techne Corporation for the year ended June 30, 1997. DELOITTE & TOUCHE LLP Minneapolis, Minnesota September 22, 1997