1. Protein feed. Mainly include: plant protein feed mainly includes legume seeds, cakes and some processing by-products. Among them, leguminous seeds are used only as a small amount of feed, most of which is used as food; cake-based feed is the most important protein feed resource for animals; common processing by-products mainly include dregs and corn protein powder. automatic poultry systems in nigeria.
2. Animal protein feed mainly includes fish meal, blood meal, bone meat powder, hydrolyzed feather meal, silkworm cocoon and the like. Microbial protein feeds are primarily yeast protein feeds (or single cell proteins).