SEC FORM 3

SEC Form 3

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
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

VCA ANTECH INC

(Last)

(First)

(Middle)

12401 WEST OLYMPIC BOULEVARD

(Street)

LOS ANGELES

90064-1022

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
07/01/2010

3. Issuer Name and Ticker or Trading Symbol
Pet DRx CORP [ VETS ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

Director	X	10% Owner
Officer (give title below)		Other (specify below)

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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	23,073,863	I	By Snow Merger Acquisition, Inc.⁽¹⁾

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: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)

Explanation of Responses:

1. On July 1, 2010, Snow Merger Acquisition, Inc. ("Buyer"), an indirect wholly-owned subsidiary of VCA Antech, Inc. ("VCA"), purchased 23,073,863 shares of common stock, par value $0001 per share, of the Issuer pursuant to a Stock Purchase Agreement (the "Stock Purchase Agreement"), dated June 2, 2010, by and among VCA, Buyer, the Issuer and the sellers party thereto (the "Sellers"). Concurrent with the execution of the Stock Purchase Agreement, VCA, Buyer and the Issuer entered into a merger agreement (the "Merger Agreement") pursuant to which Buyer will be merged with and into the Issuer, with the Issuer continuing as the surviving corporation and as a indirect wholly-owned subsidiary of VCA. For additional information regarding the Stock Purchase Agreement, the Merger Agreement and the transactions contemplated thereby please see the Current Report on Form 8-K filed by the Issuer with the Securities and Exchange Commission on June 8, 2010.

Remarks:

	/s/ Tomas W. Fuller	07/01/2010
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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