Grain-saving yellow-feathered meat chicken formula feed, preparation method and use method thereof

The present invention discloses grain-saving yellow-feathered meat chicken formula feed and a preparation method and a use method thereof. The feed comprises the following components in percentage by mass: corn 40-46%, wheat bran 4-8%, cassava 20-28%, soybean meal 8-12%, corn gluten meal 3-5%, distillers dried grains with solubles (DDGS) 5-10%, rapeseed meal 3-6%, DL-methionine 0.10-0.15%, lysine 0.10-0.15%, stone powder 1.0-1.2%, calcium hydrogen phosphate 1.0-1.2%, common salt 0.30-0.35%, choline chloride 0.1-0.2%, vitamin premix 0.1% and trace element premix 0.2%. The grain-saving yellow-feathered meat chicken formula feed is formed by applying cassava to the feed and thus part of corns is saved. Therefore, the feed resource tension in the feed industry is alleviated and the production cost of feed for yellow-feathered meat chickens is reduced.