Valmiki Ramayana Ayodhya Kanda Sarga 91 Shloka 56
Original Shlokaहयान् गजान् खारानुष्ट्रान्तथैव सुरभेस्सुतान्। अभोजयन्वाहनपास्तेषां भोज्यं यथाविधि।।2.91.56।।
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वाहनपाः attendants of draughtanimals, हयान् horses, गजान् elephants, खरान् donkeys, उष्ट्रान् camels, तथैव similarly, सुरभेः the Surabhi's, सुतान offsprings, यथाविधि duly, तेषाम् for them, भोज्यम् food, अभोजयन् fed.
The attendants of draughtanimals fed the horses, elephants, donkeys, camels and oxen their appropriate food.