A Green and Pollution-Free Sterilization Method for Breeding Long-snout Catfish

Abstract

The invention provides a pollution-free sterilization type Leiocassis longirostris culture method. The pollution-free sterilization type Leiocassis longirostris culture method includes establishing a stereoscopic aquaculture farm and a sterilization system; establishing a recirculating aquaculture system in a bottom layer, namely arranging aquaculture wastewater purifying ecological ditches, a wastewater sedimentation pond and a purifying pond in the bottom layer; feeding Leiocassis longirostris on the bottom layer with forage fishes or aquatic insects cultured on the top layer, wherein a feeding proportion is controlled according to feeding dates and aquaculture water source temperatures; conducting daily management by selecting fresh water injection time and oxygenation time reasonably; conducting disease control. The pollution-free sterilization type Leiocassis longirostris culture method has the advantages that the stereoscopic aquaculture farm and the sterilization system are established, and aquaculture water is sterilized through a physical method, so that pollution of chemicals to the aquaculture water and secondary pollution caused by chemical intake of the Leiocassis longirostris are avoided; since the forage fishes or aquatic insects for feeding the Leiocassis longirostris are cultured with the Leiocassis longirostris, ecological environmental protection is achieved, and aquaculture efficiency is improved; the recirculating aquaculture system is used for recycling the aquaculture water source, and accordingly aquaculture cost is reduced.

Description

technical field [0001] The invention relates to the technical field of aquaculture. More specifically, the present invention relates to a method for green, pollution-free, sterilizing, and cultivating long-breasted catfish with the characteristics of green, pollution-free, high-efficiency, low-cost, and low-cost farming of precious fish. Background technique [0002] The meat of long-nose squid is tender and delicious, rich in nutrition, and the fish fat is thick, which can be processed into precious fish maw. For a long time, people have regarded the long-snouted squid as a nourishing aquatic product, and it was also a tribute to the court in the feudal society. Before the 1970s, the production of long-snout catfish was entirely dependent on river fishing; due to long-term overfishing, the resources have been seriously depleted. [0003] In order to make this precious fish a delicacy on people’s table, Chinese aquatic science and technology personnel began to carry out ar...

AI Technical Summary

Problems solved by technology

[0003] In order to make this precious fish a delicacy on people’s tables, Chinese aquatic science and technology personnel have carried out artificial breeding and breeding technology research on long-snout squid since the 1980s, but the existing breeding technology for long-snout squid is still There are many problems, such as: a large amount of chemicals are used to sterilize the water system of long-snout squid breeding, which not only causes serious pollution to the breeding water, but also will be ingested by long-snout squid and remain in the fish body, which greatly reduces the long-snout squid. The nutritional value of catfish, and even produce toxic substances harmful to the human body; in addition, the aquaculture wastewater cannot be recycled, and the aquaculture wastewater containing chemicals is directly discharged to the water system adjacent to the farm, polluting the environment; it is discharged to the interior of the farm The ditch system pollutes the water for aquaculture, and the water quality management conditions are poor, resulting in a large number of deaths of long-snout catfish