Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  McGinley Michael J
 2. Date of Event Requiring Statement (Month/Day/Year)
03/05/2007		 3. Issuer Name and Ticker or Trading Symbol
HESKA CORP [HSKA]
(Last)
(First)
(Middle)
3760 ROCKY MOUNTAIN AVENUE		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Gen Mgr, Heska DM & VP Ops
 5. If Amendment, Date Original Filed(Month/Day/Year)
03/09/2007
(Street)

LOVELAND, CO 80538		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 19,862
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Incentive Stock Option (right to buy) 01/06/2003(1) 01/06/2013 Common Stock 30,000 $ 0.34 D  
Incentive Stock Option (right to buy) 01/31/2003(2) 01/31/2013 Common Stock 45,000 $ 0.7 D  
Incentive Stock Option (right to buy) 03/30/2005(3) 03/30/2015 Common Stock 92,642 $ 0.88 D  
Incentive Stock Option (right to buy) 02/05/2002(4) 02/05/2012 Common Stock 32,000 $ 1.06 D  
Incentive Stock Option (right to buy) 04/26/2001(5) 04/26/2011 Common Stock 14,000 $ 1.14 D  
Incentive Stock Option (right to buy) 12/15/2005(3) 12/15/2015 Common Stock 565 $ 1.25 D  
Incentive Stock Option (right to buy) 11/17/2006(3) 11/17/2016 Common Stock 53,654 $ 1.717 D  
Incentive Stock Option (right to buy) 11/17/1999(6) 11/17/2009 Common Stock 7,500 $ 2 D  
Incentive Stock Option (right to buy) 08/02/2000(7) 08/02/2010 Common Stock 3,000 $ 2 D  
Incentive Stock Option (right to buy) 01/05/2004(8) 01/05/2014 Common Stock 31,037 $ 2.3 D  
Incentive Stock Option (right to buy) 04/06/1999(9) 04/06/2009 Common Stock 7,000 $ 3.06 D  
Incentive Stock Option (right to buy) 07/28/1997(10) 07/28/2007 Common Stock 10,000 $ 8.63 D  
Incentive Stock Option (right to buy) 07/30/1998(11) 07/30/2008 Common Stock 3,500 $ 10.25 D  
Incentive Stock Option (right to buy) 01/21/1998(12) 01/21/2008 Common Stock 1,500 $ 11.88 D  
Non-Qualified Stock Option (right to buy) 03/30/2005(3) 03/30/2015 Common Stock 2,358 $ 0.88 D  
Non-Qualified Stock Option (right to buy) 02/05/2002(4) 02/05/2012 Common Stock 8,000 $ 1.06 D  
Non-Qualified Stock Option (right to buy) 12/15/2005(3) 12/15/2015 Common Stock 94,435 $ 1.25 D  
Non-Qualified Stock Option (right to buy) 11/17/2006(3) 11/17/2016 Common Stock 6,346 $ 1.717 D  
Non-Qualified Stock Option (right to buy) 01/05/2004(8) 01/05/2014 Common Stock 23,963 $ 2.3 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
McGinley Michael J
3760 ROCKY MOUNTAIN AVENUE
LOVELAND, CO 80538		       Gen Mgr, Heska DM & VP Ops  

Signatures

Michael J. McGinley 03/09/2007
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) This option vested monthly in equal installments over one (1) year through January 6, 2004.
(2) This option vested monthly in equal installments over four (4) years through January 31, 2007.
(3) Option granted is immediately exercisable.
(4) This option vested monthly in equal installments over four (4) years through February 5, 2006. Vesting was accelerated to full vest on March 30, 2005.
(5) This option vested monthly in equal installments over four (4) years through April 26, 2005. Vesting was accelerated to full vest on December 2, 2004.
(6) This option vested monthly in equal installments over four (4) years through November 17, 2003.
(7) This option vested monthly in equal installments over four (4) years through August 2, 2004.
(8) This option vested monthly in equal installments over four (4) years through January 5, 2008. Vesting was accelerated to full vest on December 2, 2004.
(9) This option vested monthly in equal installments over four (4) years through April 6, 2003.
(10) One-eighth of the shares vested on December 2, 1997, the remaining shares vested monthly in equal installments through June 2, 2001.
(11) This option vested monthly in equal installments over four (4) years through July 30, 2002.
(12) This option vested monthly in equal installments over four (4) years through January 21, 2002.

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