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A kind of freshwater white pomfret culture method and culture cage

A technology for cages and pomfrets is applied in the directions of cleaning methods and utensils, chemical instruments and methods, fish farming, etc., and can solve problems such as affecting the growth of freshwater pomfrets, affecting the exchange of aquaculture cages, and easy growth of moss on nets. Achieve the effect of shortening the breeding cycle, increasing the growth rate and shortening the breeding cycle

Active Publication Date: 2022-08-09
山东滨州恒盛网业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Cage culture is one of the main methods of freshwater pomfret. However, during aquaculture, due to long-term immersion in water, moss is easy to grow on the nets at a depth that can be reached by light, which affects the exchange of water inside and outside the culture cages. Reduce the oxygen content in the water, thereby affecting the growth of freshwater pomfret, usually requires cleaning the nets within a certain period of time
[0005] At present, to remove the moss in the net cage, it is necessary to manually use physical methods to pull the fishing net out of the water and remove it with chemical reagents. It requires many people to work together, and the work efficiency is very low. Freshwater pomfret is particularly sensitive to drugs, and the use of chemical reagents will cause freshwater pollution. Pomfret death, lower survival rate

Method used

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  • A kind of freshwater white pomfret culture method and culture cage
  • A kind of freshwater white pomfret culture method and culture cage
  • A kind of freshwater white pomfret culture method and culture cage

Examples

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Embodiment 1

[0050] A freshwater pomfret cultivation device: such as figure 1 , including a fishing net device 11, a buoyancy mechanism 10 is provided outside the fishing net device 11, the buoyancy mechanism 10 provides buoyancy for the entire cage to float on the water, and the buoyancy mechanism 10 includes buoyancy blocks 104 and buoyancy blocks arranged on both sides of the fishing net device 11 106 , the buoyancy block 104 and the buoyancy block 106 are fixedly connected with the cage device 11 , which have sufficient strength to prevent damage in wind and waves, and provide buoyancy support for the frame device 13 .

[0051] like figure 2 and image 3 , the frame device 13 supports the entire fishing net device 11 to ensure the internal space of the cage, and the frame device 13 includes a power source 201 and a telescopic mechanism 22 arranged on the left side of the fishing net 101 to control the depth of the entire cage and control the elevating mechanism 22. Adjustment mechan...

Embodiment 2

[0062] A method for culturing freshwater white pomfret in a cage, comprising the following steps,

[0063]a. Breeding conditions: Choose waters with leeward facing sun, open water surface, stable water level and fresh water quality. The pH value of the water body is 5.6-7.4, the water depth is 3-6 meters, and the most suitable water temperature is 28-30 °C. When the water temperature drops to 12 °C, most of the fish lose their balance and begin to die at 10 °C. When the water temperature exceeds 33 °C When the temperature of the water layer is different, the telescopic mechanism 22 is raised or lowered by controlling the adjustment mechanism 23, so as to control the lifting and lowering of the entire cage, so that the freshwater pomfret is in a suitable temperature water layer environment. The transparency of the water body is above 50 cm, and the dissolved oxygen is above 5 mg / L.

[0064] b. Setting of cages: The specifications of cages are generally length: width: depth = 4...

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Abstract

The invention discloses a method for cultivating freshwater white pomfret and a culture net cage, and relates to the field of aquaculture. The main point of the technical solution is a set of culture methods for removing moss in a net box set according to the growth characteristics of freshwater white pomfret, including a culture condition , b cage setting, c fish fingerling placement, d feed feeding, e daily management, f cleaning work, as well as clean breeding cages made for freshwater white pomfret cultivation methods, the technical effect is to effectively remove the moss on the surface of the cage, maintain The permeability of the cage enables the normal exchange of water bodies inside and outside the cage, maintains the oxygen content required by the freshwater pomfret in the water, improves the survival rate of the freshwater pomfret, enables the rapid growth of the freshwater pomfret, and improves economic benefits.

Description

technical field [0001] The invention relates to the field of aquaculture, in particular to a method for culturing freshwater white pomfret and a cage device for culturing. Background technique [0002] The freshwater white pomfret is native to the Amazon River in South America. The new species introduced in recent years has a good market market due to its wide adaptability, mixed diet, fast growth, strong disease resistance, few bones and no muscle spines, and tender meat. Popular with farmers. [0003] Freshwater pomfret often lives in the middle and lower layers of the waters, likes to live in groups and swim in groups, and belongs to the middle bottom fish. Studies have shown that: the optimal growth temperature of freshwater white pomfret is 28-30 °C; when the water temperature is higher than 35 °C or lower than 20 °C, the feed intake decreases and the growth rate slows down significantly; when the water temperature drops to 12 °C, most fish The body loses its balance ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/10A01K61/60A01K61/80A23K10/20A23K10/22A23K10/26A23K10/30A23K10/33A23K10/37A23K20/158A23K20/174A23K20/20A23K50/80B08B9/087
CPCA01K61/10A01K61/60A01K61/80A23K50/80A23K10/30A23K10/37A23K10/20A23K10/22A23K10/26A23K10/33A23K20/158A23K20/20A23K20/174B08B9/087Y02P60/87Y02A40/81Y02A40/818
Inventor 陈岳伟胡将碟
Owner 山东滨州恒盛网业有限公司