1. (1) Who may collect test samples. A person who collects a Johne’s disease test sample, for purposes of this chapter or ch. ATCP 12, shall be one of the following:

   1. (a) An accredited veterinarian. If the veterinarian collects the test sample from cattle in this state, the veterinarian shall also be a Wisconsin certified veterinarian.
   2. (b) A person working under the direct supervision of a veterinarian under par. (a), provided that the veterinarian submits the sample for testing.
   3. (c) An authorized employee or agent of the department or the federal bureau.
   4. (d) A DHIA technician or a certified veterinary technician if the Johne’s disease test sample is a milk sample.

2. (2) Sample collection procedures. A person who collects a Johne’s disease test sample, for purposes of this chapter or ch. ATCP 12, shall comply with procedures specified in the Johne’s disease national program standards.

   Note: The Johne’s disease national program standards are on file with the department and the legislative reference bureau. Copies may be obtained from the USDA website at: www.aphis.usda.gov/wps/portal/aphis/ourfocus/animalhealth. Copies may also be obtained by writing to the following address:

   Wisconsin Department of Agriculture, Trade and Consumer Protection
   Division of Animal Health
   P.O. Box 8911
   Madison, WI 53708-8911

3. (3) Laboratory and test methods. Only a laboratory approved by the department or the federal bureau may conduct a Johne’s disease test for purposes of this chapter or ch. ATCP 12. The laboratory shall use one of the following tests:

   1. (a) The enzyme linked immunosorbent assay (ELISA).
   2. (b) The fecal culture test.
   3. (c) The polymerase chain reaction (PCR) fecal test.
   4. (d) Another test approved by the department.

4. (4) Veterinarian to report. A veterinarian who submits for testing a Johne’s disease test sample collected in this state shall report the test result to the department and the animal owner according to s. ATCP 10.04 (1).

   Note: A test report must include the animal’s official individual identification. If the animal has no official individual identification, the veterinarian must identify the animal with an official individual identification. See s. ATCP 10.04 (1) (e).

5. (5) Reactors. An animal is a Johne’s disease reactor if any of the following apply:

   1. (a) The animal tests positive on a test under sub. (3) (a), unless it subsequently tests negative on a follow-up test under sub. (6).
   2. (b) The animal tests positive on any test under sub. (3) (b) to (d).
6. (6) Follow-up test. Within 45 days after an animal tests positive on a test under sub. (3) (a), a person authorized under sub. (1) shall collect and submit another sample for testing by a different test method under sub. (3). The department may, for good cause, extend the retesting deadline under this subsection.

History

History: CR 06-009: cr. Register September 2006 No. 609, eff. 10-1-06; CR 07-107: cr. (1) (d), am. (6) Register November 2008 No. 635, eff. 12-1-08.