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Method for breeding odontobutis obscura

A breeding method and technology of snakehead in sand pond, applied in fish farming, application, climate change adaptation and other directions, can solve the problems of lack of supporting breeding methods, poor effect, low survival rate of artificial breeding, etc., to improve disease resistance, The effect of increasing the number of rotifers and improving the survival rate

Inactive Publication Date: 2012-10-17
JURONG JURONG RESERVOIR ADMINISTRATION OFFICE
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current artificial breeding survival rate of sand pond snakehead is very low, and there is no mature supporting breeding method
People generally learn from the method of breeding other fish species to raise sand pond snakeheads, and try to increase the survival rate of sand pond snakeheads by nesting other fish species, but the effect is not good

Method used

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  • Method for breeding odontobutis obscura
  • Method for breeding odontobutis obscura

Examples

Experimental program
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Embodiment

[0022] A small pond with a water surface of about 2 mu and a water depth of 1.6m is selected for the summer flower cultivation of Channa japonica. Disinfect the cultivation pond with quicklime before the fish fry go to the pond, use 150-200kg of quicklime per mu, then inject water 60-80cm deep, apply 200-250kg of fermented cow dung per mu to cultivate rotifers; 10 days later (late May) put sand ponds on mu There are 140,000 to 160,000 snakehead fry, and 200,000 flat fish fry are stocked in the same period; for the first 5 days after sand pond snakehead fry are put into the pond, 5~7kg of bait (paste) with 40% protein content is fed per mu of water surface every day, and then every 5 days Increase the amount of feed by 20% for feeding; after 25 days of artificial cultivation of nets and sub-ponds, about 90,000 summer flowers of 2.5cm / tail sand pond can be produced per mu.

[0023] Then select 5 to 10 acres of single pond water surface and a medium-sized pond with a water depth ...

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Abstract

The invention discloses a formula of feed for odontobutis obscura and belongs to the field of breeding aquatic products. The method comprises the following steps of (1) sterilizing a culture pond by using quicklime before fries of odontobutis obscura are put in the pond, injecting fresh water, culturing the water by adding fermented organic fertilizer, putting the fries of odontobutis obscura in the pond in late May, feeding the fries with pasty feed, and separating the pond by hauling nets; (2) before the summerlings of odontobutis obscura are put in the pond, draining the pond, sterilizing the pond by using quicklime, injecting water, adding a proper amount of fermented organic fertilizer according to the area of the pond, putting the summerlings of odontobutis obscura in the pond in late June, and feeding the summerlings with baits; and (3) after the summerlings of odontobutis obscura are put in the pond, putting the fries of freshwater shrimps in the pond for polyculture. The method mainly aims at the breeding of fries and summerlings which have been put in the pond, and can increase the disease-resistant rate and the survival rate of odontobutis obscura by culturing the breeding environment and guaranteeing the timely change of water and spreading of a proper amount of quicklime and a sufficient protein intake. The method can increase the survival rate of odontobutis obscura by adding freshwater shrimps, but the adding of large commercial fishes can affect the survival rate of odontobutis obscura, so that the large commercial fishes cannot be put into the pond.

Description

technical field [0001] The invention relates to the field of aquaculture, in particular to a method for cultivating snakeheads. Background technique [0002] Sand pond snakeheads belong to the order Perciformes, pond snakeheads, and sand snakeheads. They are commonly known as tiger head nerds, tiger head sharks, and Tupu fish. They are mainly distributed in lakes, reservoirs, and other waters in the Yangtze River, Pearl River, and Heilongjiang river basins in my country. , is an important small economic fish in China. [0003] Channa inhabits the lower layer of the water body. After hatching in natural waters, the fry can eat rotifers, copepod larvae and other baits in the water body. After the body reaches 1.5cm, they can eat other fish eggs and small fish. Shrimp and water worms and other baits. Under artificial breeding conditions, they also like to eat carnivorous high-protein artificial compound feed, and their first-year-old body weight can normally reach about 20g. ...

Claims

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Application Information

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IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 尚进李正元洪玉定
Owner JURONG JURONG RESERVOIR ADMINISTRATION OFFICE
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