द्विगुणं महिषोष्ट्राणाम् ॥ कZ_०२.१५.५३ ॥
dviguṇaṃ mahiṣoṣṭrāṇām
For buffaloes and camels, the ration is double.
It is easy to enforce and audit across provinces, reducing discretion that can enable corruption or underfeeding.