Exhibit 3.4

BYLAWS

OF

PILGRIM’S PRIDE CORPORATION OF WEST VIRGINIA, INC.

(as amended)

ARTICLE I. OFFICES

Section 1. Registered Office.    The registered office of the corporation in the State of West Virginia shall be at CT Corporation System, 5400 D Big Tyler Road, Charleston, West Virginia 25313, or at such other address as the board of directors may designate. The name of the resident agent for the corporation in the State of West Virginia shall be CT Corporation System, or such other party as the board of directors may designate.

Section 2. Other Offices.    The corporation may have a principal office and such other offices at such place or places, either within or without the State of West Virginia, as the board of directors shall from time to time determine or the business of the corporation may require.

ARTICLE II. SHAREHOLDERS

Section 1. Annual Meeting.    The annual meeting of the shareholders shall be held on the third Monday in the month of September in each year, for the purpose of electing directors and for the transaction of such other business as may come before the meeting. If the day fixed for the annual meeting shall be a legal holiday, such meeting shall be held on the next succeeding business day. If the election of Directors shall not be held on the day designated herein for any annual meeting of the shareholders, or at any adjournment thereof, the Board of Directors shall cause the election to be held at a special meeting of the shareholders as soon thereafter as conveniently may be.

Section 2. Special Meetings.    Special meetings of the shareholders, for any purpose or purposes, unless otherwise prescribed by statute, may be called by the Chairman, or by the Board of Directors, and shall be called by the Chairman at the request of the holders of not less than one-fourth of all the outstanding shares of the corporation entitled to vote at the meeting.

Section 3. Place of Meetings.    The Board of Directors may designate any place, either within or without the state of incorporation as the place of meeting for any annual meeting or for any special meeting called by the Board of Directors. A Waiver of Notice signed by all shareholders entitled to vote at a meeting may waive notice and designate any place, either within or without the state of incorporation as the place for holding of such meeting. If no designation is made, or if a special meeting be otherwise called, the place of meeting shall be the principal office of the corporation.

Section 4. Notice of Meeting.    Written or printed notice stating the place, day and hour of the meeting and, in case of a special meeting, the purpose or purposes for which the meeting is called, shall be delivered not less than ten nor more than sixty days before the date of the meeting, either personally or by mail, by or at the direction of the Chairman, or the Secretary, or the officer or persons calling the meeting, to each shareholder of record entitled to vote at such meeting. If mailed, such notice shall be deemed to be delivered when deposited in the United States mail, addressed to the shareholder at his address as it appears on the stock transfer books of the corporation, with postage thereon prepaid.

Section 5. Closing of Transfer Books or Fixing of Record Date.    For the purpose of determining shareholders entitled to notice of or to vote at any meeting of shareholders or any adjournment, thereof, or shareholders entitled to receive payment of any dividend, or in order to make a determination of shareholders for any other purpose, the Board of Directors of the corporation may provide that the stock transfer books shall be closed for a stated period but not to exceed, in any case, forty days.

Section 6. Quorum.    A majority of the outstanding shares of the corporation entitled to vote, represented in person or by proxy, shall constitute a quorum at a meeting of shareholders. If less than a majority of the outstanding shares are represented at a meeting, a majority of the shares so represented may adjourn the meeting from time to time without further notice. At such adjourned meeting at which a quorum shall be present or represented, any business may be transacted which might have been transacted at the meeting as originally notified. The shareholders present at a duly organized meeting may continue to transact business until adjournment, notwithstanding the withdrawal of enough shareholders to leave less than a quorum.

Section 7. Proxies.    At all meetings of shareholders, a shareholder may vote by proxy executed in writing by the shareholder or by his duly authorized attorney in fact. Such proxy shall be filed with the Secretary of the corporation before or at the time of the meeting. No proxy shall be valid after eleven months from the date of its execution, unless otherwise provided in the proxy.

Section 8. Voting of Shares.    Subject to the provisions of Section 10 of this Article II, each outstanding share entitled to vote shall be entitled to one vote upon each matter submitted to a vote at a meeting of shareholders.

Section 9. Voting of Shares by Certain Holders.    Shares standing in the name of another corporation may be voted by the President of such Corporation, or by such other person authorized by resolution of such corporation’s Board of Directors, upon production of a certified copy of such resolution.

Section 10. Informal Action by Shareholders.    Any action required to be taken at a meeting of the shareholders, or any other action which may be taken at a meeting of the shareholders, may be taken without a meeting if a consent in writing, setting forth the action so taken, shall be signed by a majority of the shareholders entitled to vote with respect to the subject matter thereof.

Such action shall have the same force and effect as a unanimous vote of shareholders, and may be stated as such in any articles or document filed with any government agency.

ARTICLE III. BOARD OF DIRECTORS

Section 1. General Powers.    The business and affairs of the corporation shall be managed by its Board of Directors.

Section 2. Number, Tenure and Qualifications.    The number of directors of the corporation shall be three. Each director shall hold office until the next annual meeting of shareholders and until his successor shall have been elected and qualified. Directors need not be residents of the state of incorporation or shareholders of the corporation.

Section 3. Regular Meetings.    A regular meeting of the Board of Directors shall be held without other notice than this by-law immediately after, and at the same place as the annual meeting of

the shareholders. The Board of Directors may provide by resolution, the time and place, either within or without the state of incorporation, for the holding of additional regular meetings.

Section 4. Special Meetings.     Special meetings of the Board of Directors may be called by or at the request of the Chairman, Secretary or any two directors. The person or persons authorized to call special meetings of the Board of Directors may fix any place for holding any special meeting of the Board of Directors called by them.

Section 5. Notice.    Notice of any special meeting shall be given at least two days previous thereto by written notice delivered personally or mailed to each director at his business address. If mailed, such notice shall be deemed to be delivered when deposited in the United States mail so addressed with postage thereon prepaid. Any director may waive notice of any meeting. The attendance of a director at a meeting shall constitute a waiver of notice of such meeting, except where a director attends a meeting for the express purpose of objecting to the transaction of any business because the meeting is not lawfully called or convened. Neither the business to be transacted at, nor the purpose of, any regular or special meeting of the Board of Directors need be specified in the notice or waiver of notice of such meeting.

Section 6. Quorum.    A majority of the number of directors fixed by Section 2 of this Article III shall constitute a quorum for the transaction of business at any meeting of the Board of Directors, but if less than such majority is present at a meeting, a majority of the directors present may adjourn the meeting from time to time without further notice.

Section 7. Manner of Acting.    The act of the majority of the directors present at a meeting at which a quorum is present shall be the act of the Board of Directors. Members of the Board of Directors may participate in the meeting of such Board by means of a conference telephone or similar communications equipment by which all directors participating in the meeting can hear each other at the same time. Participation by such means shall constitute presence in person at a meeting.

Section 8. Vacancies.    Any vacancy occurring in the Board of Directors may be filled by the affirmative vote of the majority of the remaining directors though less than a quorum of the Board of Directors. A director elected to fill a vacancy shall be elected for the unexpired term of his predecessor in office. Any directorship to be filled by reason of an increase in the. number of directors shall be filled by election at an annual meeting or at a special meeting of shareholders called for that purpose.

Section 9. Compensation.    By resolution of the Board of Directors, the directors may be paid their expenses, if any, of attendance at each meeting of the Board of Directors, and may be paid a fixed sum for attendance at each meeting of the Board of Directors or a stated salary as director. No such payment shall preclude any director from serving the corporation in any other capacity and receiving compensation therefor.

Section 10. Presumption of Assent.    A director of the corporation who is present at a meeting of the Board of Directors at which action on any corporate matter is taken shall be presumed to have assented to the action taken unless his dissent shall be entered in the minutes of the meeting or unless he shall file his written dissent to such action with the person acting as the Secretary of the meeting before the adjournment thereof or shall forward such dissent by registered mail to the Secretary of the corporation immediately after the adjournment of the meeting. Such right to dissent shall not apply to a director who voted in favor of such action.

Section 11. Informal Action by Directors.     Any action of the Board of Directors) which might be taken at a meeting may be taken without a meeting if a record or memorandum thereof be made and signed by a majority of the Board of Directors.

Section 12. Operating Boards.     The company may assemble an “Operating Board” to give advice and counsel. Such “Operating Board” shall have no authority to act on behalf of the company or to obligate the company in any way.

ARTICLE IV. OFFICERS

Section 1. Number.     The officers of the corporation shall be a President, one or more Vice Presidents (the number thereof to be determined by the Board of Directors), a Secretary, and a Treasurer, each of whom shall be elected by the Board of Directors. Such other officers and assistant officers as may be deemed necessary may be elected or appointed by the President or elected by the Board of Directors. Any two or more offices may be held by the same person, except the offices of President and Secretary, or President and Vice President.

Section 2. Election and Term of Office.     The officers of the corporation to be elected by the Board of Directors shall be elected annually by the Board of Directors at the first meeting of the Board of Directors held after each annual meeting of the shareholder. If the election of officers shall not be held at such meeting, such election shall be held as soon thereafter as conveniently may be. Each officer shall hold office until his successor shall have been duly elected and shall have qualified or until his death or until he shall resign or shall have been removed in the manner hereinafter provided.

Section 3. Removal.    Any officer or agent elected or appointed by the Board of Directors may be removed by the Board of Directors whenever in its judgment the best interests of the corporation would be served thereby, but such removal shall be without prejudice to the contract rights, if any, of the person so removed.

Section 4. Vacancies.    A vacancy in an office because of death, resignation, removal, disqualification or otherwise, may be filled by the Board of Directors for the unexpired portion of the term.

Section 5. President.    The President shall be the principal officer of the corporation and, subject to the control of the Board of Directors, shall in general supervise and control all of the business and affairs of the corporation. He shall, when present, direct operations of the Company. He may sign certificates for shares of the corporation, any deeds, mortgages, bonds, contracts, or other instruments except in cases where the signing and execution thereof shall be expressly delegated by the Board of Directors, or shall be required by law to be otherwise signed or executed; and shall perform such other duties as may be prescribed by the Board of Directors from time to time.

Section 6. The Vice President(s).    In the absence of the President or in the event of his death, inability or refusal to act, the Vice President (or in the event there be more than one Vice President, the Vice Presidents in the order designated at the time of their election, or in the absence of any designation, then in the order of their election) shall perform the duties of the President, and when so acting, shall have all the powers of and be subject to all the restrictions upon the President. Vice Presidents shall perform other duties as designated by the President.

Section 7. The Secretary.    The Secretary shall: (a) keep the minutes of the shareholders’ and of the Board of Directors’ meetings in one or more books provided for that purpose; (b) see that all notices are duly given in accordance with the provisions of these by-laws or as required by

law; (c) be responsible for corporate records and of the seal of the corporation; (d) keep a register of the post office address of each shareholder which shall be furnished to the Secretary by such shareholder; (e) sign with the President or a Vice President, certificates for shares of the corporation, the issuance of which shall have been authorized by resolution of the Board of Directors; (f) have general charge of the stock transfer books of the corporation; and (g) other duties as from time to time may be assigned to him by the President.

Section 8. The Treasurer.    The Treasurer shall (a) have charge of all funds and securities of the corporation, and shall be responsible for banking and credit duties as designated by the Board of Directors, and (b) perform other duties as from time to time may be assigned to him by the President or by the Board of Directors.

Section 9. Assistant Secretaries and Assistant Treasurers.    The Assistant Secretaries and Assistant Treasurers, when authorized by the Board of Directors, or President, may perform duties of the Secretary or Treasurer.

Section 10. Salaries.     The salaries of the officers shall be fixed from time to time by the Board of Directors and no officer shall be prevented from receiving such salary by reason of the fact that he is also a director of the corporation.

ARTICLE V. CONTRACTS, LOANS

Section 1. Contracts.    The Board of Directors may authorize any officer or officers, agent or agents, to enter into any contract or execute and deliver any instrument in the name of and on behalf of the corporation, and such authority may be general or confined to specific instances.

Section 2. Loans.    No loans shall be contracted on behalf of the corporation and no evidences of indebtedness shall be issued in its name unless authorized by a resolution of the Board of Directors. Such authority may be general or confined to specific instances.

ARTICLE VI. CERTIFICATES FOR SHARES AND THEIR TRANSFER

Section 1. Certificates for Shares.    Certificates representing shares of the corporation shall be in such form as shall be determined by the Board of Directors. Such certificates shall be signed by the President or a Vice President and by the Secretary or an Assistant Secretary. All certificates for shares shall be consecutively numbered or otherwise identified. The name and address of the person to whom the shares represented thereby are issued, with the number of shares and date of issue, shall be entered on the stock transfer books of the corporation. All certificates surrendered to the corporation for transfer shall be cancelled and no new certificates shall be issued until the former certificate for a like number of shares shall have been surrendered and cancelled, except that in case of a lost, destroyed or mutilated certificate a new one may be issued therefor upon such terms and indemnity to the corporation as the Board of Directors may prescribe.

Section 2. Transfer of Shares.    Transfer of shares of the corporation shall be made only on the stock transfer books of the corporation by the holder of record thereof or by his legal representative, who shall furnish proper evidence of authority to transfer, or by his attorney thereunto authorized by power of attorney duly executed and filed with the Secretary of the corporation, and on surrender for cancellation of the certificate for such shares. The person in whose name shares stand on the books of the corporation shall be deemed by the corporation to be the owner thereof for all purposes.

ARTICLE VII. FISCAL YEAR

The fiscal year of the corporation shall end on the last Sunday of May in each year.

ARTICLE VIII. DIVIDENDS

The Board of Directors may, from time to time, declare, and the corporation may pay, dividends on its outstanding shares in the manner and upon the terms and conditions provided by law and its articles of incorporation.

ARTICLE IX. SEAL

There shall be no corporate seal.

ARTICLE X. WAIVER OF NOTICE

Whenever any notice is required to be given to any shareholder or director of the corporation under the provisions of these by-laws or under the provisions of the articles of incorporation or under the provisions of any applicable state business corporation law, a waiver thereof in writing, signed by the person or persons entitled to such notice, whether before or after the time stated therein, shall be deemed equivalent to the giving of such notice.

ARTICLE XI. AMENDMENTS

These by-laws may be altered, amended or repealed and new by-laws may be adopted by a majority vote of the shareholders at any regular or special meeting of the shareholders.

ARTICLE XII. STATE LAW PROVISIONS

To the extent the laws of the corporation’s state of incorporation are in conflict with these by-laws, such state laws shall govern if the particular state law mandates a result different from that provided in these by-laws.