Corpus of Electronic Texts Edition
Cath Maige Tuired: The Second Battle of Mag Tuired (Author: [unknown])

section 165

The Dagda brought with him the cattle taken by the Fomoire through the lowing of the heifer which had been given him for his work; because when she called her calf, all the cattle of Ireland which the Fomoire had taken as their tribute began to graze.