In this study, with fresh porcine blood as raw material, Centrifuge, Ultrafiltration and Spray-dry technologies were adopted to determine the production process of plasma protein. Further more, a certain amount of SDPP was produced to research its nutritional effects by piglet-raising experiment. The content contains three parts as follow:
Part 1: Centrifuge experiment
Select single factor step design to determine the effects of the centrifugl volv speed(l 000,1500,2000,250...