Rule 901:1-5-06 | Designating herd to be certified brucellosis free.
(A) The division of animal health may designate a herd of cattle to be certified brucellosis free if:
(1) The herd passed at least two consecutive negative herd blood tests which were not less than twelve months nor more than eighteen months apart; and
(2) All herd blood tests were conducted at an approved laboratory or a laboratory operated by the department.
(B) The division of animal health may recertify a herd as brucellosis free for three hundred sixty-five days if:
(1) It passes a negative herd blood test prior to the end of four hundred twenty-five days after the date of the certification or recertification test; and
(2) All herd blood tests were conducted at an approved laboratory or a laboratory operated by the department.
(C) If any blood test of an animal which is a member of a certified brucellosis free herd reveals:
(1) One positive animal, the division of animal health shall:
(a) Suspend the certified brucellosis free status of the herd; and
(b) Continue the suspension until the herd passes a negative whole herd blood test conducted at least sixty days following removal of the positive.
(2) More than one positive the division of animal health shall:
(a) Suspend the certified brucellosis free status of the herd; and
(b) Require that the herd comply with all requirements stated in paragraph (A) of this rule before the division of animal health may recertify the herd as brucellosis free.
(3) One or more suspects the division of animal health shall suspend the certified brucellosis free status of the herd. Prior to recertification of the herd, the following shall be required:
(a) Each suspect be classified as negative to a brucellosis test; or
(b) A complete negative whole herd blood test if any suspect is not available for retest, unless the suspect not available has been identified as an official brucellosis vaccinate.
(D) The department shall suspend the certified brucellosis free status of a herd if each addition to the herd is not:
(1) A natural herd addition; or
(2) From a herd with equal brucellosis free status; or
(3) An animal which tests negative for brucellosis:
(a) Thirty days prior to addition to the herd; and
(b) Not less than sixty days after addition to the herd; and
(c) Such tests were conducted at a laboratory approved by or operated by the department.
(E) The division of animal health shall not grant status as a member of the certified brucellosis free herd, for sale purposes, to any animal added to the herd under paragraph (D)(3) of this rule until the animal:
(1) Has tested negative for brucellosis within sixty to one hundred twenty days after being added to the herd; and
(2) Has been included in a complete herd retest.
(F) The department may conduct additional blood tests of any certified brucellosis free herd at any time which the department deems advisable.
Last updated July 17, 2026 at 12:38 AM
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