The office's Betto (head) managed the office overall, while the Nyuko (dairy farmer) of the Shinabe (technicians) under the supervision of the Nyushichojo reared cattle, and cowsmilk was then selected and presented to the Imperial Family for their meals.
別当が総監し乳師長上に統轄された品部の乳戸が乳牛の飼育、牛乳の採取を行って皇室に供御した。