According to the soil drift net, when taking eggs, the sturgeon parent fish whose ovaries have developed to the end of the fourth stage is first selected, and after the ovaries are completely free, LH analog ppm clove oil and water are injected to anesthetize the parent fish; Then insert the fish skin about two centimeters deep with a knife and remove the fish eggs; Finally, suture the wound, disinfect it with medical hydrogen peroxide, inject some gentamicin, put it in a clear water pool for temporary cultivation, and put it back into the original water after the wound heals.

Sturgeon is the oldest fish in the world, with large size and long life. It has a history of more than 200 million years and is called "living fossil" in water. Not only is the meat delicious, but fish eggs can also be made into valuable caviar, which is known as "black gold".