Mahabharata 14.94.13

अपविज्ञानमेतत्ते महान्तं धर्ममिच्छतःन हि यज्ञे पशुगणा विधिदृष्टाः पुरंदर

apavijñānametatte mahāntaṃ dharmamicchataḥna hi yajñe paśugaṇā vidhidṛṣṭāḥ puraṃdara

Our plain-language meaning of this verse is waiting for scholar review.