The application belongs to the technical field of
disease prevention and treatment of
aquaculture, and discloses an
aquaculture insecticide based on
artemisia, khaya and neem and a preparation method thereof. The
aquaculture insecticide is composed of the following raw materials in percentage by weight:
artemisia extract 5-10%, khaya extract 3-8%,
neem extract 3-8%, emulsifier 1-5%,
antioxidant 0.1-0.5%,
solvent 20-30%, and the balance is
purified water. The application takes three kinds of natural
plant extracts, i.e.
artemisia, khaya and neem, as core raw materials, realizes synergistic effect through scientific proportioning, and the
insect repellent activity of
artemisinin is complementary to the antifeedant and growth inhibiting activity of nimbicin and khayaketone, so that a variety of aquatic parasites such as trichodina, dactylogyrus, anchorhead and fish
louse can be effectively prevented and treated, and the single or mixed parasite infection has a significant prevention and
treatment effect, and the insecticidal rate can reach more than 90%. The raw materials are all natural
plant extracts, can be naturally degraded, and have no
drug residues. The preparation process is simple and suitable for large-scale production.