Plagiognathops microlepis fish and sturgeon intercropping method

Abstract

The invention discloses a plagiognathops microlepis fish and sturgeon intercropping method, which comprises the following steps of firstly performing disinfection treatment on a cement culture pond and waiting for releasing plagiognathops microlepis fish fry after disinfection; during the period after the plagiognathops microlepis fish fry is released before sturgeon fish fry is released, not feeding feedstuff to the plagiognathops microlepis fish fry, and partitioning the periphery of a food platform by using meshes about five days before the sturgeon fish fry is bred; releasing the sturgeon fish fry and breeding the sturgeon fish fry in a greenhouse; transferring the sturgeon fish fry bred in the greenhouse to deepwater net cages in a reservoir for marketable fish breeding; and finally scientifically breeding the sturgeon fish fry until marketable sturgeon comes into the market. According to the method, a single greenhouse perennial drainage breeding method is combined with a deepwater net cage breeding method in the reservoir, and a breeding mode of intercropping plagiognathops microlepis fish is adopted, so that the purpose that residual feeds, excrement of sturgeon and lichen generated in a pond are eliminated is achieved, so as to reduce the cost of marketable sturgeon breeding and the waste of environment and resources.

Description

technical field [0001] The invention relates to a breeding method for sturgeon, in particular to a breeding method for improving the survival rate of sturgeon. Background technique [0002] Sturgeon is a cold-water fish with fast growth and tender meat. It is one of the special aquatic products with better economic benefits. At present, the main method of breeding sturgeon in East China is greenhouse constant-flow aquaculture. This method is to raise sturgeon at high density in square cement breeding ponds under the sunshade greenhouse. Generally, the size of the square pool is 8-10 meters long, 8-10 meters wide, and 1 meter high. PVC pipes are used for aeration in the pool, and a sewage outlet is designed at the bottom of the pool. In the breeding process, the breeding density of adult fish is generally controlled at 15-20 fish per square meter. The aerator must supply oxygen 24 hours a day. At the same time, the water pump continuously pumps water from deep underground we...

AI Technical Summary

Problems solved by technology

Although the technology of this breeding method is relatively mature, during the growth process of the sturgeon, the leftover bait and excrement of the sturgeon accumulate in the pond, destroying the water quality of the breeding pond and affecting the environment required for the growth of the sturgeon. Moss will be produced, and only the constant flow of water through the pump will cause a great waste of water and power resources, as well as an increase in labor costs, which will eventually lead to high cost of commercial sturgeon farming and lack of competitiveness