Matsya Purana 58.43

58.43

pratyekantu mahāmantrairevaṃ kṛtvā vidhānataḥ.
evaṃ kṣipati vā hyatha vidhiyuktena karmaṇā.. 58.40 ..

Having thus finished the preliminary rites performed with the utterance of great mantras, with regard to each ceremony, the worshipper should pass the night in sleep. In the morning, the worshipper should give away cows to the Brâhmaṇa, *i.e.*, 100 cows or 68 or 50 or 30 or 25.—40-41.