Iowa Code § 167.18: Duty to dispose of dead bodies.

1. A person who has been caring for or who owns an animal that has died shall not allow the carcass to lie about the person’s premises. The carcass shall be disposed of within a reasonable time after death by composting, cooking, burying, or burning, as provided in this chapter, or by disposing of it, within the allowed time, to a person licensed to dispose of it.

2. Subsection 1 does not apply to a veterinarian, issued a valid license or a valid temporary permit by the Iowa board of veterinary medicine as provided in chapter 169, who contains a dead animal’s carcass in a manner that prevents an outbreak of disease.