Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 4
Sanskrit:
तृणैस्तत्खुरदच्छिन्नैर्गोष्पदैरङ्कितैर्गवाम् ।मार्गमन्वगमन् सर्वे नष्टाजीव्या विचेतस: ॥ ४ ॥
ITRANS:
tṛṇais tat-khura-dac-chinnairgoṣ-padair aṅkitair gavāmmārgam anvagaman sarvenaṣṭājīvyā vicetasaḥ
Translation:
Then the boys began tracing out the cows’ path by noting their hoofprints and the blades of grass the cows had broken with their hooves and teeth. All the cowherd boys were in great anxiety because they had lost their source of livelihood.