Matsyapurana 143.16

143.16

teṣāṃ vivādaḥ sumahāñ jajñe indramaharṣīṇām
jaṅgamaiḥ sthāvaraiḥ kena yaṣṭavyamiti cocyate //

At that time, a great discussion ensued between the sages and Indra as to whether the sacrifices should be performed by offering the libations of the movable or the immovable things, *i e*, animals or vegetables, roots and fruits Those all powerful sages were much pained by the discussion and asked the king Vasu who lived in the sky to give his opinion on this point—16-17