Iowa Code § 164.3: Female animals vaccinated.

Native female bovine animals of any breed between the ages of four months and twelve months may be officially vaccinated for brucellosis according to procedures approved by the United States department of agriculture. Native female designated animals other than bovine animals may be vaccinated as provided by rules adopted by the department of agriculture and land stewardship. The expense of the vaccination shall be borne in the same manner as provided in section 164.6.