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Animal Industry Bureau

Iowa's Johne's Disease Control Program

Vaccinating for Johne's Disease

Vaccination can be a valuable management tool, especially when combined with management practices to avoid transmission to herd replacements, testing and prevention of Johne’s introduction through outside sources.

Vaccination can reduce and help prevent:

  • Clinical signs and gross lesions
  • Fecal shedding (reduce the number of organisms shed and length of time shedding occurs)
  • Infection rates
Vaccination is Available through the
Iowa Department of Agriculture and Land Stewardship

To obtain approval, in cooperation with your herd veterinarian, the following steps must be completed:

1. A Vaccination Agreement must be completed and signed by the Herd Owner, Herd Veterinarian, District Veterinarian and State Veterinarian.

2. Vaccine is only for use in known infected herds (positive organism-based test).

3. A whole herd tuberculosis (TB) test is required before vaccination approval and any herd additions must undergo TB testing.

4. Vaccine may only be used in calves 1 - 35 days of age and administered by an accredited veterinarian.

5. Vaccinated calves are tattooed and identified (record of vaccination is submitted to Iowa Department of Agriculture and Land Stewardship).

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Mailing Address: IDALS,  Wallace State Office Building,   502 E. 9th Street,  Des Moines, IA 50319:     PH: 515-281-5321
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