The standard of crayfish Xiaoqing is 2-4 RMB, middle-aged crayfish is 4-6 RMB, Daqing is 7-9 RMB, and green crayfish is more than 1 RMB. In addition, crayfish mainly feed on algae, aquatic plants and aquatic insects. When breeding, rice fields with good water retention should be selected as the site, and protective measures should be taken around to prevent crayfish from escaping.

Specifications and dimensions of crayfish Xiaoqing, Zhongqing and Daqing The weight of crayfish Xiaoqing is between 2 yuan and 4 yuan, Zhongqing is between 4 yuan and 6 yuan, and Daqing is between 7 yuan and 9 yuan. In addition to small, medium and large varieties of crayfish, there are two kinds of crayfish, refer to 1 above.

Morphological characteristics of crayfish Crayfish is an aquatic animal of Aquilariaceae, also known as Procambarus clarkii, red crayfish and freshwater crayfish. Its shape is similar to that of shrimp, its shell is hard, and its color is mostly dark red and nearly black. Moreover, crayfish mainly feed on algae, aquatic plants, aquatic insects and carrion, which is destructive to the original ecological water body.

How to breed crayfish You can breed crayfish in paddy fields. Choose a paddy field with good water quality, no pollution and good water retention as a breeding ground, then dig a shrimp ditch with a width of 1.5m and a depth of 1m around the paddy field, then put the shrimp in it and feed it with compound feed and animal feed every day.

Matters needing attention in crayfish culture: Before putting crayfish, it is necessary to soak the young shrimps in light salt solution for 10 minute to disinfect them. Moreover, the farm should be surrounded by plastic film, asbestos tile or plastic plate to prevent crayfish from escaping. Submerged plants such as aquatic plants should be planted in the farm to provide a place for crayfish to hide and rest.