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Exhibit 4.1
 VCA ANTECH, INC.
2006 EQUITY INCENTIVE PLAN
 1. Purpose; Eligibility.
 General Purpose Plan Company
 Eligible Award Recipients
 Available Awards
 2. Definitions.
 409A Award Section 8
 Administrator Section 3.5
 Affiliate
 Award
 Award Agreement
 Beneficial Owner
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    VCA Antech, Inc. 2006 Equity Incentive Plan




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Board
 Cashless Exercise Section 6.4
 Cause
 Change in Control
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Code
 Committee Section 3.5
 Common Stock
 Company
 Consultant provided that Section 5.4(b)
 Continuous Service
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Covered Employee
 Date of Grant
 Detrimental Activity
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Director
 Disability provided however Section 6.10 Section 6.10
 Effective Date
 Employee
 Exchange Act
 Existing Plans
 Fair Market Value
 Form S-8 Section 5.4(b)
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Free Standing Rights Section 7.3(a)
 Incentive Stock Option
 Incumbent Directors
 Listing Date
 Market Stand-Off Section 15
 Nasdaq
 Non-Employee Director
 Nonstatutory Stock Option
 Officer
 Option
 Option Agreement
 Optionholder
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    VCA Antech, Inc. 2006 Equity Incentive Plan




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Outside Director
 Participant
 Performance Award Section 7.2
 Permitted Transferee provided, however
 Plan
 Related Rights
 Restricted Award
 Restricted Period
 Right of Repurchase Section
11.7
 Rule 16b-3
 Rule 701
 SAR Amount
 SAR exercise price
 Securities Act
 Stock Appreciation Right Section
7.3
 Stock for Stock Exchange Section 6.4
 Surviving Entity
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Ten Percent Stockholder
 3. Administration.
 Administration by Board Section 3.5
 Powers of Administrator
 Specific Powers provided, however provided, however
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Decisions Final
 The Committee
 General Committee
 Committee Composition when Common Stock is Registered
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Indemnification provided, however, provided however
 4. Shares Subject to the Plan.
 Share Reserve Section 12.1
 Reversion of Shares to the Share Reserve Section
11.7(a)
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Source of Shares
 5. Eligibility.
 Eligibility for Specific Awards
 Ten Percent Stockholders
 Section 162(m) Limitation Section 12.1 Section
5.3 Section
5.3 Section 4.1
 Consultants
 Rule 701
 Form
S-8 i.e. e.g.
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    VCA Antech, Inc. 2006 Equity Incentive Plan




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Directors
 6. Option Provisions.
 Section 8
 Term Section 5.2
 Exercise Price of an Incentive Stock Option Section 5.2
 Exercise Price of a Nonstatutory Stock Option provided, however Section 6.15 Section 8
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Consideration Stock for Stock Exchange i.e. Cashless Exercise provided,
however provided however i.e.
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Transferability of an Incentive Stock Option
 Transferability of a Nonstatutory Stock Option
 Vesting Generally
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Termination of Continuous Service Sections 6.10 6.11
 Extension of Termination Date Section 6.1
 Disability of Optionholder
 Death of Optionholder
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    VCA Antech, Inc. 2006 Equity Incentive Plan




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Incentive Stock Option $100,000 Limitation
 Early Exercise
 Reload Options Section 6.4(b)(i)
 Additional Requirements Under Section 409A Section 8
 7. Provisions of Awards Other Than Options.
 Restricted Awards Restricted Stock Restricted Stock Units
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Restricted Period
 Purchase Price
 Consideration
 Vesting
 Termination of Participants Continuous Service
 Transferability
 Concurrent Tax Payment
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    VCA Antech, Inc. 2006 Equity Incentive Plan




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Lapse of Restrictions
 Performance Awards
 Nature of Performance Awards provided however
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    VCA Antech, Inc. 2006 Equity Incentive Plan




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Restrictions on Transfer
 Rights as a Stockholder
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    VCA Antech, Inc. 2006 Equity Incentive Plan




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Termination
 Acceleration, Waiver, Etc Section 13
 Certification Section 7.2(f)
 Stock Appreciation Rights
 General Free Standing
Rights Section 7.3(b) Related Rights
 Grant Requirements Section 7.3(h) Section 8 SAR exercise price
 Exercise and Payment
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Section 7.3(b)(i) Section 7.3(b)(i) Section 7.3(h) Section
8
 Exercise Price provided however Section 7.3(b)(i)
 Reduction in the Underlying Option Shares
 Written Request
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Disapproval by Administrator
 Additional Requirements under Section 409A Section 7.3(b)(i) Section 7.3(h) Section
8 SAR Amount Section 8.1
 8. Additional Conditions Applicable to Nonqualified Deferred Compensation Under
Section 409A of the Code.
  Exercise and Distribution
 Specified Time
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Separation from Service provided, however Section
8.1(b)
 Death
 Disability Section 8.4(b)
 Unforeseeable Emergency Section 8.4(c)
 Change in Control Event Section 8.4(a)
 Term Section 8 Section 8
 No Acceleration Section 8
 Domestic Relations Order
 Conflicts of Interest
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Change in Control Event Section 8
 Definitions Section 8
 Change in Control Event
     Disabled
 Unforeseeable Emergency
 9. Covenants of the Company.
 Availability of Shares
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Securities Law Compliance provided however
 10. Use of Proceeds from Stock.
  11. Miscellaneous.
 Acceleration of Exercisability and Vesting
 Stockholder Rights Section 12.1
 No Employment or Other Service Rights
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Transfer, Approved Leave of Absence
 Investment Assurances
 Withholding Obligations provided however
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    VCA Antech, Inc. 2006 Equity Incentive Plan




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Right of Repurchase Section 11.7 Right
of Repurchase
 12. Adjustments Upon Changes in Stock.
 Capitalization Adjustments provided however
 Dissolution or Liquidation
 Change in Control  Asset Sale, Merger, Consolidation or Reverse Merger
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    VCA Antech, Inc. 2006 Equity Incentive Plan




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Section 12.3 Section 12.1 i.e.
 13. Amendment of the Plan and Awards.
 Amendment of Plan Section 12.1
 Stockholder Approval
 Contemplated Amendments
 No Impairment of Rights
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    VCA Antech, Inc. 2006 Equity Incentive Plan




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Amendment of Awards provided however
 14. General Provisions.
 Other Compensation Arrangements
 Recapitalizations Section 12.1
 Delivery
 Other Provisions
 Cancellation and Rescission of Awards for Detrimental Activity
 Section 2.19
 Section 2.19
 Section
2.19
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    VCA Antech, Inc. 2006 Equity Incentive Plan




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Disqualifying Dispositions
 15. Market Stand-Off.
 Market Stand-Off
 16. Effective Date of Plan.
  17. Termination or Suspension of the Plan.
 Section 13.1
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    VCA Antech, Inc. 2006 Equity Incentive Plan




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18. Choice of Law.
  19. Execution.
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IN WITNESS WHEREOF
 VCA ANTECH, INC.By:Robert L. Antin, Chief Executive Officer and President
 Signature
Page
VCA Antech, Inc. 2006 Equity Incentive Plan