Revākhaṇḍa ascribed to the Vāyupurāṇa (RKV) 73.16

73.16

yudhiṣṭhira uvāca:
vṛṣotsarge kṛte tāta phalaṃ yajjāyate nṛṇām /
tatsarvaṃ kathayasvāśu prayatnena dvijottama //

Yudhiṣṭhira said: / Whatever fruit arises for men when the release of a bull is performed, dear one, / tell all that quickly with diligence, O best of the twice-born!