A first mobile terminal requests a device to transmit data, on the basis of a processing request transmitted from a management server. More specifically, relates to a composition and a feed additive for increasing the milk production of cows, containing Artemisia capillaris as an active ingredient, and a composition and a feed additive for reducing the number of somatic cells in livestock milk, containing Artemisia capillaris as an active ingredient. A first bore is disposed within the first section, and has a first bore central axis concentric with the body central axis.