Bhagavatapurana 10.7.15

10.7.15

vācayitvā svastyayanaṃ nanda-gopaḥ samāhitaḥ /
hutvā cāgniṃ dvijātibhyaḥ prādād annaṃ mahā-guṇam //

14. & 15. With this faith Nanda Gopa took up his child and got him bathed with sacred herbs and waters made efficacious with the mantras of Rig, Yajus and Sama Vedas recited by the best of brahmins; and he also made them repeat benedictory verses; and with a serene mind and heart he poured offerings into the fire and gave very rich meals to brahmins.