ŚBM, 13, 5, 2, 2.0 niṣṭhiteṣu pānnejaneṣu mahiṣīm aśvāyopanipādayanty athaināvadhivāsena saṃprorṇuvanti svarge loke prorṇuvathām ity eṣa vai svargo loko yatra paśuṃ saṃjñapayanti nirāyatyāśvasya śiśnam mahiṣyupasthe nidhatte vṛṣā vājī retodhā reto dadhātviti mithunasyaiva sarvatvāya //