Oregano (Origanum vulgare L.) is a fragrant perennial semi-shrub or herbaceous plant of the genus Oregano in the Labiaceae family. Rhizome oblique, woody. Stems up to 60 cm tall, four-prismatic, often leafless near base. Leaves petiolate, abaxially suborbicular, pilose, leaf blade ovoid or oblong-ovoid, apex obtuse or slightly obtuse.
It can be used for feed addition.