Minn. Stat. § 343.33: USE AS ADVERTISING DEVICES.

Chicks, ducklings, and goslings younger than four weeks of age shall not be sold or offered for sale; raffled; or offered or given as a prize, premium, or advertising device, in quantity of fewer than 12 birds to an individual person unless sold by a person, firm, partnership or corporation engaged in the business of selling chicks, ducklings, and goslings for agricultural or wildlife purposes.