Exhibit 23.1 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS _________________________________________ As independent public accountants, we hereby consent to the incorporation by reference in this Registration Statement on Form S-8 for the Employee Stock Purchase Plan of Heska Corporation of our report dated February 28, 1997, included in Heska Corporation's Registration Statement (No. 333-25767) filed with the Securities and Exchange Commission. ARTHUR ANDERSEN LLP Denver, Colorado July 7, 1997