| abstract |
The present invention is a kind of young grass carps feed and preparation method thereof, contain fish meal, rapeseed dregs, Cottonseed Meal and Choline Chloride, vitamin A, vitamin D and yeast immunopolysacchride etc. in formula, preparation process is first by crushing material, subsequently into mixer, after mixing, carry out granulation expanded, then cooled down.Inventive formulation instead of Partial Fish Meal and soybean meal content according to forage compounding using the relatively low raw material of rapeseed dregs, Cottonseed Meal price, substantially reduce feed cost in the case where not influenceing fish trophic level.The yeast immunopolysacchride added in formula can improve the growth performance of young grass carps, improve the immunocompetence of aquatic livestock, can reduce the case fatality rate of plantlet stage, promote the fast-growth of juvenile fish, while adding the palatability of feed. |