sc13g

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934*

Heska Corporation

(Name of Issuer)

Common Stock, par value $0.001 per share

(Title of Class of Securities)

42805E-10-8

(CUSIP Number)

June 20, 2008

(Date of Event which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

o Rule 13d-1(b)

þ Rule 13d-1(c)

o Rule 13d-1(d)

*The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).


CUSIP NO.		42805E-10-8


1	NAMES OF REPORTING PERSONS. Pacific Coast Investors Limited


2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
	(a) o
	(b) o

3	SEC USE ONLY



4	CITIZENSHIP OR PLACE OF ORGANIZATION

	British Virgin Islands

		5	SOLE VOTING POWER:

NUMBER OF			7,790,466

SHARES		6	SHARED VOTING POWER:
BENEFICIALLY
OWNED BY			0

EACH		7	SOLE DISPOSITIVE POWER:
REPORTING
PERSONS			7,790,466

WITH		8	SHARED DISPOSITIVE POWER:

			0

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:

	7,790,466

10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)

	o

11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9):

	15.1%

12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS):

	CO

Item 1.


		(a)		Name of Issuer:
				Heska Corporation

		(b)		Address of Issuer’s Principal Executive Offices:
				3760 Rocky Mountain Avenue, Loveland, Colorado 80538


Item 2.	(a)	Name of Person Filing:

		Pacific Coast Investors Limited (referred to herein as the “Reporting Person”)

	(b)	Address of Principal Business Office, or, if none, Residence:

		Pacific Coast Investors Limited
		c/o Cha Enterprises Limited
		Room 3703 Jardine House
		1 Connaught Place
		Central, Hong Kong

	(c)	Citizenship: British Virgin Islands

	(d)	Title of Class of Securities:
		Common Stock

	(e)	CUSIP Number:
		42805E-10-8


Item 3.	If this statement is filed pursuant to §§240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:

			N/A

	(a)	o	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).

	(b)	o	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).

	(c)	o	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c).

	(d)	o	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8).

	(e)	o	An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E);

	(f)	o	An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F);

	(g)	o	A parent holding company or control person in accordance with §240.13d-1(b)(1)(ii)(G);

	(h)	o	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

	(i)	o	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);

	(j)	o	Group, in accordance with §240.13d-1(b)(1)(ii)(J).

Item 4.		Ownership

		See rows 5 through 11 of the cover page for the Reporting Person, which report the shares owned by the Reporting Person as of June 20, 2008. The ownership percentages are based on 51,599,666 shares of Common Stock of the Issuer reported to be outstanding at May 9, 2008 in the Form 10-Q filed with the SEC on May 12, 2008.

Item 5.		Ownership of Five Percent or Less of a Class:

		If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following ¨.

Item 6.		Ownership of More than Five Percent on Behalf of Another Person:

		Not Applicable.

Item 7.		Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company:

		Not Applicable.

Item 8.		Identification and Classification of Members of the Group:

		Not Applicable.

Item 9.		Notice of Dissolution of Group:

		Not Applicable.

Item 10.		Certification:

		By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Date: June 27, 2008


		Pacific Coast Investors Limited

		By:		/s/ Elizabeth Hammack

		Name:		Elizabeth Hammack
		Title:		Authorized Agent

Attention: Intentional misstatements or omissions of fact constitute Federal criminal violations (See 18 U.S.C. 1001)