The invention discloses a
feed additive capable of preventing and treating diseases in the liver and the
gallbladder of fish. The
feed additive is prepared from the following raw materials in parts by weight: 40-60 parts of
bagasse, 10-20 parts of fruit peel, 12-15 parts of
powder of radix et rhizoma rhei, radix scutellariae and cortex phellodendri, 12-15 parts of
licorice roots, 12-15 parts of
artemisinin, 10-12 parts of roots or stems of cyclea hypoglauca, 10-12 parts of duchesnea indica, 10-12 parts of
cassia occidentalis, 10-12 parts of serrate rabdosia
herb, 8-10 parts of dried rehamnnia roots, 8-10 parts of
bulbophyllum ambrosia, 8-10 parts of green
tangerine peel, 6-8 parts of
bidens pilosa, 8-10 parts of pine needle
meal, 8-10 parts of mulberry
twig powder, 10-20 parts of fresh filter mud, 0.1-0.3 part of compound microbes, 2-5 parts of herba hyperici japonici, 0.3-0.5 part of
citric acid and 40-60 parts of water. According to the additive disclosed by the invention, the
bagasse and the fruit peel are used as main raw materials, besides, varied Chinese herbal medicines are added, the
citric acid is used for assisting in regulating
palatability, and through compatibility and synergistic action, the
stress resistance and the
immunity of fish organisms are improved, the occurrence of liver-
gallbladder syndromes of the fish under a high-density raising condition is effectively avoided, the
survival rate of the fish is increased, and the production level and the
economic benefits are increased.