How to choose oyster varieties? Oysters are hermaphroditic, so choose the best local varieties. Oysters are large in size, strong in stress resistance and adaptable to local environment and climate. Under specific environment and temperature, excellent oysters can be bred through in vitro fertilization. Guandu specialty oysters are often cultivated as excellent oysters in Zhanjiang and fixed on stone cakes. To transfer a large number of young oysters to the oyster beach for breeding, first hang a few strings of young oysters on the oyster beach and observe whether there are natural enemies of oysters in this area, such as Fritillaria, barnacles, mussels and sea squirts.
If there are natural enemies to clean up the damage to oysters, then put the young oysters in the oyster bank for culture. Discharging some young oysters first can predict pests in advance, reduce economic losses and improve the survival rate of young oysters. Many people are eager to raise oysters well. Maybe they see friends around them raising oysters and they raise oysters themselves. After understanding, a qualified oyster breeder can bear the loneliness and pain of raising oysters. It takes 3 years, 5 years or even longer from oyster seedlings to commercial oysters.
Health oysters can't get rich all at once. We have to wait for three to five years, and it is not round in industries that can get rich quickly. Oysters are widely distributed in China, reaching Yalu River in the north and Hainan Island in the south. Oysters have strong pressure resistance. It can survive and grow in the cold winter in the north and the hot summer in the south. It can only be said that oysters can be cultivated in coastal areas without polluting water quality. The names of oysters are different in different places. In Zhanjiang and Hainan, Guangxi, oysters are called oysters, and Zhanjiang oysters are very famous. Minnan is called oyster, Fuzhou is called oyster, and Shandong, Dalian, Weihai and Yantai are called oyster.