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.

• 本试验研究了四种饲料原料(玉米、豆粕、菜粕、鱼粉)水活性等温吸附曲线及霉变后品质变化规律。