Four feedstuffs in common use (maise, soybean meal, rapeseed meal and fish meal) water activity adsorption isotherms and laws in quality change of mouldy were researched in this paper.
Dimethyl fumarate, metyl topsin and sodium dehydrogene acetate were used in the antiseptic treatment during storage of Kudzu. The experiment indicated that the effects of metyl topsin was the best.