How to formulate feed for dry-raised meat ducks

1. Ducklings (days 1-25). Feed requirements (%): crude protein 20%, crude fiber 3.9%, calcium 1.1%, phosphorus 0.5%. Reference formula (%): corn 50%, rapeseed cake 20%, broken rice 10%, wheat bran 10%, fish meal 7.5%, meat meal 1%, shell powder 1%, salt 0.5%.

2. Growing ducks (days 26-45). Feed requirements (%): crude protein 17.5%, crude fiber 4.1%, calcium and phosphorus 0.5%. Reference formula (%): corn 50%, wheat bran 12%, broken rice 10%, salt 0.5%, rapeseed cake 5%, barley (or wheat) 17%, fish meal 4.5%, shell powder 1%.

3. Fattening period formula. Formula 1 (%): for the early stage, use corn 35%, flour 26.5%, rice bran 30%, beans (roasted) 5%, shell powder 2%, bone meal 1%, salt 0.5%; for the late stage, use corn 35%, flour 30%, rice bran 25%, sorghum 6.5%, shell powder 2%, bone meal 1%, salt 0.5%. Formula 2 (%): corn 35%, flour 26.5%, rice bran 25%, sorghum 10%, shell powder 2%, bone meal 1%, salt 0.5%.