Sunflower seeds are mainly used for their oil, but as with other oilseeds, the meal left behind after oil extraction is a valuable product because of its high protein content.

Beet pulp is a byproduct from the processing of sugar beet which is used as fodder for horses and other livestock. Beet pulp is the fibrous material left over after the sugar is extracted from sugar beets.

Soybean meal is used in food and animal feeds, principally as a protein supplement, but also as a source of metabolizable energy.

Wheat bran, a by-product of the dry milling of common wheat (Triticum aestivum L.) into flour, is one of the major agro-industrial by-products used in animal feeding.