Wiktionary
n. Material, of an animal or most often vegetable origin, prepared (especially industrially) as feed for domestic or farm animals.
Wikipedia
Animal feed is food given to domestic animals in the course of animal husbandry. There are two basic types, fodder and forage. Used alone, the word "feed" more often refers to fodder.
Usage examples of "animal feed".
Some kinds make good animal feed, some are good for human consumption.
He kept his gaze on the rifle, and moved slowly toward a shelf stacked with twenty-pound bags of animal feed.
Later we'll have fruit trees and shade trees, bamboo and animal feed.
Always she'd loved the sweetish-rancid smell of straw, manure, animal feed and animal heat.
The meat would be cut and salt-dried, the bones reduced to powder for medicinal remedies and animal feed.
In between were huge stacks of cardboard boxes, bales of hay, and sacks of animal feed.