.Ornamental fish feedstuff: FD Shrimp, FD Bloodworm, FD Water Earthworm (Tubifex), FD Moliter (Mealworm), FD Cricket, FD Grasshopper and so on.

观赏鱼饲料：虾、红虫、丰年虾、水蚯蚓、面包虫、蟋蟀、草蜢。

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.

验究饲料原料(玉米、豆粕、菜粕、鱼粉)水活性温吸附曲线及霉变后品质变化规律。