Abstract
Crayfish, commonly known as freshwater lobster, have been scientifically distributed in three genuses, which are as follows: - Cumberfish, Oronectes and Phalisaberus. Crayfish breeding and rearing techniques in China and some Adapted and practiced in South-East Asian countries. The proper ratio of broodstock female and male is 3: 1. Adult males are comparatively larger than females. The mating season of crayfish is usually from May to September. Larvae are stored in cultured ponds. Crayfish are cultivated in paddy fields with carp fish or eel fish in lotus and polyculture. The size of crayfish transported to the market is 20–60h in a period of 3 to 7 months, and is sold alive in most markets. Productivity varies from 750h to 3,000h per ha depending on the type of farming. It is possible that the farmer can earn up to 7000 to 14,000 rupees per day.
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