The invention belongs to the field of veterinary medicines, and particularly relates to a
feed additive capable of treating the hemorrhagic
disease of grass carps. The
feed additive comprises the following raw materials in parts by weight: 8-12 parts of white fringed iris, 15-25 parts of Japanese
thistle herbs or roots, 12-18 parts of Chinese
mosla herbs, 10-20 parts of radish seeds, 10-20 parts of
ardisia japonica, 12-18 parts of thunberg fritillary bulbs, 8-12 parts of lunate peltate sundew herbs, 12-18 parts of herbal elatostema stewardii, 12-18 parts of
shrub chastetree fruits, 2-8 parts of siegesbeckiae, 10-20 parts of
breynia fruticosa, 15-25 parts of
cephalotaxus hainanensis, 10-20 parts of
herb of bunge
corydalis, 3-9 parts of composite amino acids and 3-9 parts of composite vitamins. The
feed additive disclosed by the invention has significant
treatment effect on the hemorrhagic
disease of grass carps, in the process of
clinical tests, the phenomenon that the grass carps die due to the hemorrhagic
disease is not found, the
mortality rate caused by the hemorrhagic disease is close to zero, the
treatment effect is notably increased, the total effective rate reaches 97% or above, the
immunity of the grass carps can be effectively strengthened, invasion of virions can be reduced, and the
treatment effect on the hemorrhagic disease of grass carps can be effectively improved.