Domesticating method for wild Spanish mackerels

A technology for carp and fish blocks, which is applied in the field of aquatic organisms, can solve problems such as high cost of breeding, no breakthrough in artificial domestication technology of carp, and high market price, so as to achieve broad prospects for breeding development, improve overall economic and economic benefits, and meet the needs of the market. effect of demand

Active Publication Date: 2010-02-10
DAHU AQUACULTURE +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the artificial domestication technology of carp has not been broken through, the cost of breeding is high and the market price is expensive
However, in terms of the domestication and parent selection of chr

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment 1 (taking the Mongolian catfish as an example):

[0019] 1. The choice of water surface for domestication: cages and ponds. Cage: set in a water body with a water depth of more than 3m and a micro-flow rate of 0.05-0.2m / s. The size of the cage (length×width×height) is 12m×8m×3m. Put fresh aquatic plants in the box, and the dosage is 2kg / m 2 . The conditions of the pond are: convenient drainage and irrigation, the pond is rectangular, and the area is 500m 2 , the depth of the pool is 1.8m, the area of ​​aquatic plants at the bottom of the pool is about 8% of the total area, the transparency is 60cm, and the dissolved oxygen is 6mg / L.

[0020] 2. Collection of wild chrysalis: generally choose to catch wild chrysalis from lakes and rivers in late autumn and early winter, that is, from October to December. The stocking density is 5 tails / m 2 .

[0021] 3. Artificial domestication: (1) Inner Mongolian carp domestication in cages: 5 days ago, put 4 bighead c...

Embodiment 2

[0029] Embodiment 2 (taking the squid as an example):

[0030] 1. The choice of water surface for domestication: cages and ponds. Cage: Set in a water body with a water depth of more than 3m and a micro-flow rate of 0.05-0.2m / s. The size of the cage (length×width×height) is 18×12×4m, and fresh aquatic plants are placed in the box. The dosage is 4kg / m 2 . The conditions of the pond are: convenient drainage and irrigation, the pond is rectangular, and the area is 4000m 2 , the depth of the pool is 2.8m, the area of ​​aquatic plants at the bottom of the pool is about 18% of the total area, the transparency is 90cm, and the dissolved oxygen is 10mg / L.

[0031] 2. Collection of wild scallops: generally choose to catch wild scallops from lakes and rivers in late spring and early summer, that is, from late March to early May, and the adult or juvenile fish obtained are put into the installed nets after water temperature adaptation. In the box, the stocking density of the net cag...

Embodiment 3

[0040] Embodiment 3 (taking the Chinese carp as an example):

[0041] 1. The choice of water surface for domestication: cages and ponds. Cage: Set in a water body with a water depth of more than 3m and a micro-flow rate of 0.05-0.2m / s. The size of the cage (length×width×height) is 18×12×4m, and fresh aquatic plants are placed in the box. The dosage is 4kg / m 2 . The conditions of the pond are: convenient drainage and irrigation, the pond is rectangular, and the area is 2000m 2 , the depth of the pool is 2m, the area of ​​aquatic plants at the bottom of the pool is about 12% of the total area, the transparency is 75cm, and the dissolved oxygen is 8mg / L.

[0042] 2. Collection of wild Cichlids: generally choose to catch wild Clams from lakes and rivers in late spring and early summer, that is, from late March to early May, and the adult or juvenile fish obtained are put into the installed nets In the box, the stocking density of the net cage is 8 fish / m 2 .

[0043] 3. Art...

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PUM

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Abstract

The invention relates to a domesticating method for wild Spanish mackerels, which comprises the steps of the selection of the water surface for domestication, the collection of the wild Spanish mackerels, artificial domestication, and breeding selection. The method overcomes the defects that the current resources of the wild Spanish mackerels decrease gradually, and the domestication of the wild Spanish mackerels and the large-area artificial culture are not broken through. By domesticating the wild Spanish mackerels, the method can domesticate and breed the Spanish mackerel parents having theadvantages of high quality and yield, stable production, strong disease resistance as well as convenient artificial culture and transportation, and being suitable for the culture environment in China. As for the fries bred by the domesticated Spanish mackerel parents, the survival rate is increased by 15%, and the yield is increased by more than 50% so as to greatly reduce the culture cost. The method has very fundamental significance for protecting the natural resources, meeting the market requirements and increasing the economic income of fishmen.

Description

technical field [0001] The invention belongs to the technical field of aquatic organisms, and the invention relates to a fish domestication method and a method for parental breeding, in particular to a method for the domestication of wild catfish. Background technique [0002] Freshwater carp is a traditional and precious fish in my country, and the market has been in short supply. There are 6 species of common carp in my country, such as green-tailed carp, sharp-headed carp, Mongolian carp, and cocked carp, which belong to the family Cyprinidae. Good benefits and other characteristics. Its meat is white and tender, with high nutritional value, broad prospects for breeding and high economic value. Crawfish is distributed in various water systems across the country, and its natural output is relatively large. It occupies a certain position in the history of fishery in my country. However, in the past 20 to 30 years, due to overfishing and environmental pollution, resources h...

Claims

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Application Information

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IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 杨品红
Owner DAHU AQUACULTURE
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