Leiocassis longirostris feed and preparation method thereof

The invention discloses a leiocassis longirostris feed and a preparation method thereof. The leiocassis longirostris feed is prepared from the following raw materials in parts by mass: 29-37 parts of mixed powder of agricultural and forestry byproducts, 21-26 parts of soybean meal, 33-36 parts of corn flour, 3-6 parts of vegetable oil, 0.5-2 parts of a vitamin additive, 0.5-5 parts of a mineral additive and 0.2-3 parts of a Chinese herbal medicine additive, wherein the mixed powder of the agricultural and forestry byproducts is prepared from silkworm chrysalis, snail meat and earthworms according to the mass ratio of (4-10): (2-5): 1; the Chinese herbal medicine additive comprises the following components in parts by mass: 15-25 parts of boxthorn leaves, 10-15 parts of honeysuckle flowers, 15-25 parts of lotus leaves and 3-7 parts of astragalus stems and leaves. The invention can effectively solve the problems of high cost, easy formation of fatty liver and other fatty diseases and the like in the existing le