Skandapurana 6.3.209.150

6.3.209.150

saṃtarpya pitṛdevāṃśca kṛtvā śrāddhaṃ yathāvidhi .
kṛtvā piṇḍānpitṛbhyaśca vṛṣamutsṛjya lakṣaṇam .. 209.150 ..

And having satiated the ancestors and gods, having performed the śrāddha according to rule,
and having made rice balls for the ancestors, he released a bull marked with auspicious signs.