Mahabharata 13.76.32

इमं गवां प्रभवविधानमुत्तमं; पठन्सदा शुचिरतिमङ्गलप्रियःविमुच्यते कलिकलुषेण मानवः; प्रियं सुतान्पशुधनमाप्नुयात्तथा

imaṃ gavāṃ prabhavavidhānamuttamaṃ; paṭhansadā śuciratimaṅgalapriyaḥvimucyate kalikaluṣeṇa mānavaḥ; priyaṃ sutānpaśudhanamāpnuyāttathā

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