A chicken feed mill is an industrial facility that specializes in producing feed for poultry, primarily chickens. Its main function is to process various raw materials (such as grains, soybean meal, fish meal, etc.) into feeds that meet the nutritional requirements of chickens.

A goose feed mill is an industrial facility specialized in producing feed for geese. Its primary function is to process various raw materials (such as grains, soybean meal, fish meal, etc.) into feeds that meet the nutritional requirements of geese.

A pig feed mill is an industrial facility specialized in producing feed for pigs. Its primary task is to process raw materials such as corn, soybeans, and wheat bran into feed suitable for pigs at various growth stages.

A livestock feed plant is a facility or enterprise specialized in producing feed for livestock such as cattle, sheep, and pigs. These factories process and formulate various ingredients (such as grains, legumes, protein sources, vitamins, and minerals) to produce feed products that meet the nutritional requirements of livestock.