Sturgeon have to be sewn up after the caviar is taken out of the sturgeon.

The sturgeon has to be sewn up after the caviar is removed. Choose the sturgeon parent whose ovary develops to the end of stage Ⅳ, inject luteinizing hormone releasing hormone analog, wait until the ovary is completely free, anesthetize the parent with water containing 80～120ppm clove oil, dissect and take the eggs, sterilize the eggs at 0～4℃, add non-iodized salt to pickle them, drain them with a sieve net, and sterilize them with ultraviolet rays.

The sturgeon were sutured and sterilized with medical hydrogen peroxide, then injected with 0.2 to 20,000 international units of gentamicin, and placed in a clear pool for temporary rearing.

Introduction of sturgeon

Chinese sturgeon (Latin name: Acipenser sinensis), also known as the sturgeon shark, the big Lazi, so called the sturgeon, sturgeon, with the turtle. Belongs to the sturgeon family sturgeon animals. Chinese sturgeon body shape is fusiform, head pointed kiss long, anastomosis in front of the mouth, the mouth is located in the ventral surface, the body is covered with five lines of large and hard bone phosphorus.

With five kinds of fins, the posterior position is concave posterior margin of the dorsal fin; anal fin and dorsal fin opposite, located in the dorsal fin in the lower; rectangular ventral fin is located in the center of the body behind the lower, close to the anal fin; oval pectoral fins are more developed; skewed caudal fins, the upper lobe is particularly developed. The body color of Chinese sturgeon is demarcated by the lateral bone plate, which is greenish gray, grayish brown or grayish yellow above the lateral bone plate, and gradually transitions from light gray to yellowish white below the lateral bone plate.