Mixed culture system for sea cucumber, shrimp and shellfish based on deep-water net cage

Abstract

The invention relates to the technical field of aquaculture, specifically to a mixed culture system for sea cucumber, shrimp and shellfish based on a deep-water net cage. The mixed culture system of the invention comprises a stereo bracket, wherein the upper part of the stereo bracket is provided with at least two layers of culture areas; the periphery of each layer of the culture area is surrounded with a netting; the bottom layer of the culture area is used for the culture of the sea cucumber; a plurality of sea cucumber blindages are fixedly arranged on the netting of the bottom layer of the culture area; other layers of the culture areas are used for culture of Patinopecten yessoensis; a plurality of longitudinal nettings are fixedly arranged between the nettings at two opposite side surfaces of the Patinopecten yessoensis culture areas; and a plurality of stereo string bags are arranged on each longitudinal netting. The mixed culture system provided by the invention is designed according to biological and ecological characteristics of the Patinopecten yessoensis and the sea cumber, can promote growth of the sea cucumber and improve culture yield per unit of the Patinopecten yessoensis, has the characteristics of simple operation and strong on-site operability and can improve culture yield and reduce environmental pressure by making full use of maritime space and complementarity of ecological niches of different varieties.

Description

technical field [0001] The invention relates to the technical field of aquaculture, in particular to a deep-water cage-based ginseng, shrimp and shellfish mixed culture system. Background technique [0002] Apostichopus japonicus is one of the precious species of marine economic animals in my country, and it feeds on seabed sediments scraped or swept by tentacles. Sea cucumber is not only a delicacy and health food, but also a marine drug with high medicinal value. With the development of social economy and the improvement of people's living standards, the demand for this era is increasing. [0003] Ezo scallop belongs to cold-water shellfish, which has the advantages of large individual, fast growth and high economic benefit. Since it was introduced into my country in the 1980s, after years of technical research and research, breakthroughs have been made in artificial breeding and breeding technology, and it has been cultivated on a large scale in Liaoning, Shandong and o...

AI Technical Summary

Problems solved by technology

The survival rate is greatly affected by the substrate conditions and harmful organisms (starfish, etc.), the mortality rate is high, the return rate is low, and the cost of harvesting is high

In addition, the bottom sowing multiplication has higher requirements on the substrate conditions. Due to the limitation of the substrate conditions, the bottom sowing multiplication scale and development of scallops are hindered.

Images