It shall be the duty of any person impounding an equine under this chapter to notify the owner of such equine immediately upon impoundment. Such notice shall state the name and address of the person impounding the equine, the location where the equine is being held, and a description of the equine. If the owner of such equine is unknown or cannot be found, service of the notice on the owner shall be obtained by publishing a notice once in a newspaper of general circulation where the equine is impounded.