Breeding small crayfish in rice fields proves to be big economic boost for Chinese farmers

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Chinese diners have developed a craving for crayfish, the small, freshwater crustaceans common in North America including the US state of Louisiana where they are known as crawfish. They were first introduced to China by the Japanese, who kept them as pets, and set free at the end of the second world war. Today many farmers raise crayfish in rice paddies to generate extra income and provide some ecological benefits. China’s state broadcaster CCTV says that the small red crustaceans have boosted income for some farms by as much as 40-50 per cent.

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