A '''heifer''' is a [[bovine]] [[female]] less than three years of age who has not borne a calf. Young [[cow]]s with their first calves are often called first-[[cattle|calf]] '''heifers'''. | A '''heifer''' is a [[bovine]] [[female]] less than three years of age who has not borne a calf. Young [[cow]]s with their first calves are often called first-[[cattle|calf]] '''heifers'''. |