On or before April 1, or within 30 days after such stallion is brought into such town, the owner or manager of the stallion shall annually file in the office of the clerk of the town where such stallion is kept a declaration of an intention to claim such lien and a statement containing the name and age of such stallion, his pedigree for two generations, if known, and the terms of service. A copy of such statement shall be furnished the owner of each mare served and all bills or posters advertising such stallion shall contain a copy of such statement.