Srimad Bhagavatam Canto 10, Chapter 19, Text 04

SB 10.19.4

trnais tat-khura-dac-chinnair
gos-padair ankitair gavam
margam anvagaman sarve
nastajivya vicetasah
 
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.
Srimad Bhagavatam Canto 10, Chapter 19, Text 03
Srimad Bhagavatam Canto 10, Chapter 19, Text 05