| abstract |
The invention provides a goldfish premix for blackening black dragon eyes, which comprises the following components in parts by weight: 50-100 parts of fish meal; 10-20 parts of bean worm powder; 16-24 parts of soybean meal; 5-15 parts of rapeseed dregs; 20-30 parts of tyrosine; 1-2 parts of a vitamin premix; 10-20 parts of plant extract premix; 1-2 parts of a traditional Chinese medicine composite additive; 7-10 parts of an algae compound; 4-5 parts of a phagostimulant. The tyrosine, the vitamin premix and the plant extract premix are matched for use, so that the tyrosine can be effectively oxidized, and the activity of tyrosinase is improved, so that the black dragon fish forms beautiful and stable black skin; the added traditional Chinese medicine combination additive can effectively reduce the incidence rate of the black longjing, and the premix is rich in multiple vitamins, has obvious growth promoting effect and good eating effect. |