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 *
  Mayflower L.P.
2. Date of Event Requiring Statement (Month/Day/Year)
04/10/2014
3. Issuer Name and Ticker or Trading Symbol
PHIBRO ANIMAL HEALTH CORP [PAHC]
(Last)
(First)
(Middle)
22 GRENVILLE STREET
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 Original Filed(Month/Day/Year)
(Street)

ST. HELIER, Y9 JE4 8PX
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 20,610,000 (1)
I
See Footnote (2)

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

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Mayflower L.P.
22 GRENVILLE STREET
ST. HELIER, Y9 JE4 8PX
    X    

Signatures

/s/ Cathy Burnhams, authorized signatory for 3i Investments plc, acting as manager of Mayflower LP 04/10/2014
**Signature of Reporting Person Date

/s/ Cathy Burnhams, authorized signatory for 3i Investments plc 04/10/2014
**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) The common stock included in this Initial Statement of Beneficial Ownership of Securities on Form 3 do not give effect to the 0.442-for-1 reverse stock split and reclassification disclosed in the Issuer's Registration Statement on Form S-1 initially filed with the Securities and Exchange Commission on March 10, 2014, as amended.
(2) Shares are directly held by Mayflower LP ("Mayflower"). Investment and divestment decisions with respect to the shares held by Mayflower are made by the investment committee of 3i Investments plc, which is the manager of Mayflower. 3i Investments plc is an indirect wholly owned subsidiary of 3i Group plc, a public company listed on the London Stock Exchange. 3i Investments plc is advised by 3i Corporation, which is also an indirect wholly owned subsidiary of 3i Group plc.

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