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(1) After the operation, the cultured pearls should be stored in clean water for a period of time. After the wounds are healed and the physical condition is restored, they are then transferred to the fertilizer. The occurrence of vomiting and death is most likely to occur within one month after the operation of the eutrophication. During this period, examination must be strengthened and timely treatment must be performed.
(2) Farmers' fertilizers and chemical fertilizers should be applied in a timely manner to increase the nutritive substances in the aquaculture waters, and to provide sufficient food and nutrients that the body can directly absorb.
(3) In raising fertile pearls in closed waters with no flowing water, water injection, water exchange, and oxygenation must be strengthened to make the water body deficiencies of oxygen and sterilize the cultured pearls.
(4) When hanging and raising a pearl, the hanging depth of the river raft must be adjusted in time according to changes in water level and water temperature. It is necessary to regularly remove attachments on the surface of cages and carcasses.
It is generally 2 to 3 years from the time that the oyster cultured pearls are used for the operation of breeding pearls and the pearls are bred and harvested. It takes a long time and the management work is very important.