Johne's Disease Information |
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Voluntary Bovine Johne’s Disease Control Program
National Program Herd List
The following list is a collection of herds enrolled in the Voluntary Bovine Johne’s Disease Control Program (VBJDCP). The United States Department of Agriculture, Animal and Plant Health Inspection Service, Veterinary Services (USDA-AHPIS-VS) in cooperation with State agriculture departments is posting this list in an effort to help producers seeking “low risk” replacement livestock for their herds. Data is provided by the agricultural departments of each State and the completeness of data provided is subject to the rules and regulations regarding confidentiality of the participating States.
State Contacts and Program Herds Summary
Definitions |
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| Level – | Program level for which the premises has achieved during the current period. |
1 – JPL1 – |
Johne’s disease Program level 1 – A test negative herd with an approved Johne’s disease herd management plan in place to prevent the introduction of Johne’s disease and has been Enzyme-link Immunosorbent Assay (ELISA) tested, (if any ELISA test results are positive, then follow-up fecal culture tests results were negative) in an approved laboratory, a minimum of 30 randomly selected animals, preferably three years and older. Thirty negative ELISA tests provides an estimated 95% confidence that in herds with a 10% infection rate, the testing would find at least one infected animal or approximately 85% probability that the herd is free of Johne’s using the current testing methods. Herd addition restrictions are in place. |
2 – JPL2 – |
Johne’s disease Program level 2 – A test negative herd with an approved Johne’s disease herd management plan in place to prevent the introduction of Johne’s disease, had been at JPL1 and has completed a second round of testing with a whole herd test (up to 530 test eligible animals) tested by ELISA (if any ELISA test results are positive, then follow-up fecal culture tests were negative) in an approved laboratory. In combination with the testing at JPL1, this is equivalent to an estimated 95% probability that the herd is free of Johne’s using the current testing methods. Herd addition restrictions are in place. |
3 – JPL3 – |
Johne’s disease Program level 3 – A test negative herd with an approved Johne’s disease herd management plan in place to prevent the introduction of Johne’s disease, had been at JPL2 and has gone through a third round of testing with a whole herd test (up to 313 test eligible animals) tested by an organism detection method (fecal culture or fecal PCR with all samples test negative) in an approved laboratory. In combination with the testing at JPL1 and JPL2, this is equivalent to an estimated 98% probability that the herd is free of Johne’s using the current testing methods. Herd addition restrictions are in place. |
4 – JPL4 – |
Johne’s disease Program level 4 – A test negative herd with an approved Johne’s disease herd management plan in place to prevent the introduction of Johne’s disease, had been at JPL2 and has gone through a fourth round of testing with a whole herd test (up to 530 test eligible animals) tested by an ELISA test (if any ELISA test results positive, then follow-up fecal culture tests were negative) in an approved laboratory. In combination with the testing at JPL1 JPL2, and JPL3, this is equivalent to an estimated 99% probability that the herd is free of Johne’s using the current testing methods. Herd addition restrictions are in place. |
Years
at level – |
Years at level – Herd may choose the option of remaining at one level for multiple years by keeping their Johne’s disease approved herd management plan up to date and randomly testing 30 test eligible animals as a monitoring option. Multiple years of testing at a given level also increases the probability that the herd is free of Johne’s disease. |
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