Kauṣītaki (Śāṅkhāyana) Brāhmaṇa 21.6.28

21.6.28

śriyā eva tat paśūn ubhayataḥ parigṛhya ātman dadhate / (soma: abhiplava sadaha)

second day, for they go by it; the Āyus as the third day, for they move by it. The first and last days are Agniṣṭomas, in the middle are four Ukthyas; the Agniṣṭoma is the holy power; the Ukthyas are cattle; verily thus by the holy power having surrounded cattle on both sides they confer them upon themselves. Of these four Ukthyas there are a thousand verses in the Stotras; cattle are connected with a thousand; a thousandfold prosperity he obtains who knows thus. Hence they perform sets of four Abhiplavas, ending with a Pṛṣṭhya; the Abhiplavas are cattle; the Pṛṣṭhyas are prosperity; verily thus having encompassed prosperity on both sides with cattle they confer it upon themselves. From the Viçvajit they perform sets of four Abhiplavas beginning with a Pṛṣṭhya; the Abhiplavas are prosperity; the Pṛṣṭhyas are cattle; verily thus with prosperity having encompassed cattle on both sides they confer them upon themselves.