EXHIBIT 23.2 INDEPENDENT AUDITORS' CONSENT We hereby consent to the incorporation by reference in this Registration Statement of Techne Corporation on Form S-8 of our report dated August 20, 1999, appearing in the Annual Report on Form 10-K of Techne Corporation for the year ended June 30, 1999. /s/ DELOITTE & TOUCHE LLP Minneapolis, Minnesota October 8, 1999