Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 28
Sanskrit:
अन्येभ्यश्चाश्वचाण्डालपतितेभ्यो यथार्हत: । यवसं च गवां दत्त्वा गिरये दीयतां बलि: ॥ २८ ॥
ITRANS:
anyebhyaś cāśva-cāṇḍāla-patitebhyo yathārhataḥyavasaṁ ca gavāṁ dattvāgiraye dīyatāṁ baliḥ
Translation:
After giving the appropriate food to everyone else, including such fallen souls as dogs and dog-eaters, you should give grass to the cows and then present your respectful offerings to Govardhana Hill.