Mahabharata 13.77.17

गाश्च संकीर्तयेन्नित्यं नावमन्येत गास्तथाअनिष्टं स्वप्नमालक्ष्य गां नरः संप्रकीर्तयेत्

gāśca saṃkīrtayennityaṃ nāvamanyeta gāstathāaniṣṭaṃ svapnamālakṣya gāṃ naraḥ saṃprakīrtayet

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