Pollution-free freshwater shrimp cultivation method

Abstract

The invention relates to a freshwater shrimp cultivation method, in particular to a pollution-free freshwater shrimp cultivation method according to which hybridization is adopted and fish larvae are matched for cultivation together. The pollution-free freshwater shrimp cultivation method includes the following steps of shrimp pond requirements, shrimp pond treatment, hybridization, shrimp larvae breeding, feeing management, water quality management and density control. The pollution-free freshwater shrimp cultivation method makes the most of idle resources for production, standardizes cultivation techniques, and obtains high-quality offspring seeds for cultivation after Lake Taihu youth shimps and local shrimps are hybridized; moreover, when a second generation of freshwater shrimps are reproduced, the fish larvae are bred, on the one hand, small shrimp larvae can be used as feed of the fish larvae, and on the other hand, space is saved by the small shrimp larvae which are eaten and oxygen consumption is reduced, and therefore unified specifications and high output of the freshwater shrimps are ensured.

Description

technical field [0001] The invention relates to a method for cultivating freshwater shrimp, in particular to a method for cultivating pollution-free freshwater shrimp by hybridizing and cultivating fish fry together. Background technique [0002] Freshwater freshwater freshwater prawn, scientific name Macrobrachium nipponense, belongs to crustaceans, decapods, swimming suborders, true shrimp pie, long arm family, macrobrachium genus, a kind of freshwater prawns with a large number, and my country's freshwater aquaculture industry One of the traditional economic shrimp species in China. Due to the fact that there are many diseases, high cost, and heavy pollution in the cultivation of freshwater shrimp, the enthusiasm for breeding freshwater shrimp is not high, resulting in a large number of ponds being semi-deserted or empty; moreover, in artificial breeding, the size of freshwater shrimp is small and the feed coefficient is large, which leads to inbreeding of freshwater shrim...

AI Technical Summary

Problems solved by technology

Due to the fact that there are many diseases, high cost, and heavy pollution in the cultivation of freshwater shrimp, the enthusiasm for breeding freshwater shrimp is not high, resulting in a large number of ponds being semi-deserted or empty; moreover, in artificial breeding, the size of freshwater shrimp is small and the feed coefficient is large, which leads to inbreeding of freshwater shrimp. Problems such as vicious circle and non-standard farming techniques have not been resolved

[0003] In addition, because the shrimp seedlings raised from July to August will start to reproduce the second-generation shrimp seedlings in large quantities in September, they will compete with freshwater shrimps that have grown for a period of time to eat, and they will also occupy the space in the pond and absorb oxygen, so that the previous The well-growing freshwater shrimp loses a good growth environment, which brings certain difficulties to feeding and management. In the end, the freshwater shrimp that come out of the pond are uneven in size, and the commercial shrimp is very poor. The yield is very low, and the benefit is naturally not good.