Srimad Bhagavatam Canto 10, Chapter 24, Text 28

SB 10.24.28

anyebhyas casva-candala-
 patitebhyo yatharhatah
yavasam ca gavam dattva
 giraye diyatam balih
 
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.
Srimad Bhagavatam Canto 10, Chapter 24, Text 27
Srimad Bhagavatam Canto 10, Chapter 24, Text 29