Method for continuously cropping and ecologically breeding macrobrachium nipponensis and hydrilla verticillata

Abstract

The invention discloses a method for continuously cropping and ecologically breeding macrobrachium nipponensis and hydrilla verticillata. The method is used for breeding the macrobrachium nipponensis by means of continuously cropping the macrobrachium nipponensis and the hydrilla verticillata. The method has the advantages that eutrophic substances and harmful substances such as residual feed and feces in ponds can be converted by the hydrilla verticillata owing to a technical mode for ecologically and continuously cropping the macrobrachium nipponensis and the hydrilla verticillata, and a characteristic of strongly inhibiting generation of some algae of the hydrilla verticillata is sufficiently utilized, so that purposes of purifying breeding water and ecologically breeding the macrobrachium nipponensis can be achieved; breeding byproducts such as ammonia nitrogen and nitrite in bottom sediments of the ponds can be consumed by means of planting the hydrilla verticillata, effects of purifying the bottom sediments and maintaining excellent ecological environments of the ponds can be realized, the macrobrachium nipponensis is in the suitable ecological environments of the ponds in total breeding procedures, suitable habitat environments and palatable green feed are provided for growth of the macrobrachium nipponensis by the hydrilla verticillata, the bred macrobrachium nipponensis is high in yield and good in quality, and the price of the macrobrachium nipponensis can be increased; spores and grass seeds of the hydrilla verticillata can be offered for sale, so that an extra economical benefit can be created.

Description

technical field [0001] The invention relates to an ecological cultivation method for continuous cropping of freshwater shrimp and hydrilla verticillium, belonging to the field of aquatic product cultivation. Background technique [0002] Green shrimp (Macrobrachium nipponensis), scientific name Macrobrachium nipponensis, belongs to the phylum Arthropoda, Crustacea, Decapoda, Longarmidae, and Macrobrachium genus. Its geographical distribution is very narrow and it is limited to my country and Japan. Freshwater shrimp is a kind of freshwater shrimp, which is widely distributed in rivers, lakes, reservoirs and ponds in my country, and is produced all year round. In the past, it was mostly wild. In recent years, artificial breeding has been carried out in many areas. The shrimp seedlings bred in that year can grow into commercial shrimps after 3 to 4 months of feeding. Its meat is tender, nutritious, delicious, and has medicinal value. It is a good food therapy and has always b...

AI Technical Summary

Problems solved by technology

At present, the culture of freshwater shrimp is mostly in cage culture. The density of cage culture is high, which is easy to cause the deterioration of water quality, resulting in small size and black body color of freshwater shrimp, which greatly reduces the value of freshwater shrimp, and freshwater shrimp is cultured alone in a water area Economic benefit is poor