| abstract |
The invention provides a preparation method of a special feed additive for fattening meat duck breeding, which belongs to the field of meat duck feed additives. The preparation method consists of the following steps: preparing composite powder, preparing regulator, and mixing. The composite powder is prepared by uniformly mixing pig bone powder, edible fish powder, starfish powder and bentonite. The preparation regulator is obtained by modifying zeolite powder, corn gluten powder and medical stone powder to obtain a carrier, mixing it with the mixed liquid obtained in the liquid preparation step, and then spraying and drying it. The special feed additive for fattening meat duck breeding is added to the daily feed at 3wt%, the average body weight of the 45-day-old meat duck is 3309-3376g, the ketone body lean meat rate is 29.6-31.2%, and the breast meat rate is 15.9-16.7% ; It can also effectively improve the overall resistance of meat ducks, reduce the occurrence of indigestion and diarrhea in meat ducks, improve feed utilization, and ensure the rapid and healthy growth of meat ducks. |