Vimshabrahmana 57.3

Viṃśabrāhmaṇa 57.3

dvādaśa stotrāṇyagniṣṭomo dvādaśa māsāḥ sam̐vvatsaraḥ
sam̐vvatsaraṃ paśavo'nu prajāyante tena paśavyaḥ samṛddhaḥ