CATDOLL : CATDOLL: Can crayfish be farmed in the three northeastern provinces?

First of all, thank you for your invitation to answer your question. Crayfish can be farmed in the three northeastern provinces, but the economic benefits of farming crayfish in the three northeastern provinces are not high. The main reason is the climate. Crayfish can survive in temperatures ranging from -11 degrees to 44 degrees, but the most suitable temperature for its growth is between 20 and 30 degrees. When the average temperature is below 10 degrees, crayfish will go into the cave to spend the winter and stop eating. In the three northeastern provinces, the temperature of 20 to 30 degrees is relatively short, which means that the time suitable for farming crayfish is relatively short, especially in winter, and ponds must be cleaned, otherwise the shrimp in the pond will freeze to death (this is also the main reason why there are no wild crayfish in the Northeast). It is even more troublesome, so in the three northeastern provinces, it is rare to see crayfish farming.

Crayfish are mainly produced in the middle and lower reaches of the Yangtze River. Jiangsu was one of the first places to start artificially breeding crayfish, followed by Hubei. Then, with the popularity of crayfish, it began to spread across the country, such as Anhui, Hunan, Sichuan and other places, and is gradually increasing.

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Crayfish can be farmed in the three northeastern provinces, but the economic benefits of farming crayfish in the three northeastern provinces are not high. The main reason is the climate. Crayfish can survive in a humid climate with a temperature range of -11 degrees to 44 degrees, but the most suitable temperature for its growth is between 20 and 30 degrees. When the average temperature is below 10 degrees, crayfish will go into the cave to spend the winter and no longer stay indoors. In the three northeastern provinces, the temperature of 20 to 30 degrees is relatively short, which means that the time suitable for farming crayfish is relatively short, especially in winter. The pond must be cleaned, otherwise the shrimp in the pond will freeze to death (this is also the main reason why there are no wild crayfish in the Northeast). It is even more troublesome, so in the three northeastern provinces, it is rare to see crayfish farming.

Crayfish are mainly produced in the middle and lower reaches of the Yangtze River. Jiangsu was one of the first places to start artificially breeding crayfish, followed by Hubei. Then, with the popularity of crayfish, it began to spread across the country, such as Anhui, Hunan, Sichuan and other places, and is gradually increasing.

Yes, it can be farmed. The water quality in Northeast China is good, and there are abundant shrimps and plankton in the water, which is conducive to the growth of crayfish. However, the winter is longer than in the south, the growth period is short, the dormancy period is long, and the economic benefits are poor. If greenhouse farming and semi-artificial farming methods are adopted, the economic benefits can be improved. Crayfish have strong adaptability to the environment and reproduce quickly. In the 1990s, a large number of wild crayfish were found in the Gaya River Basin in Changbai Mountain Area.