It is considered that this was the origin of hereditary fields, and in addition to human beings, each head of cattle was also supplied a field of approx. 1.2 hectares (however, it is also said that these fields might have been supplied up to four heads of cattle for four years).
こちらが後の永業田の資源と考えられ、人間だけでなく牛も30畝の田地支給を受けていた（ただし4頭まで4年までという説もある）。