Chicken powder imported from the United States is good with spaghetti. According to relevant data, the protein content of chicken powder imported from the United States is 50%, the crude fat is 8%, and it is rich in calcium and phosphorus, calcium is 8.5%, phosphorus is 4%, and the utilization rate of phosphorus is high. The protein content of meat and bone meal in China is low at 20% ~ 26% and high at 40% ~ 50%. The quality is relatively low, and the raw materials change greatly, so it is difficult to keep the quality stable and affect the use effect.