Plasma Powder is a kind of high quality protein feed, which is made of quarantined fresh blood of healthy animal and produced by special technology (Patent Application Number: 0011539.9). The palatable powder has high protein content, and balanced amino acid component which is easy to be absorbed by intestines. Furthermore it retains the functional immunoglobulins which can defend piglet from intestinal infection, reduce immune irritation. It is the best protein source that prevent piglet from the growth stagnancy after weaning.