Application of a kind of fishery electrified water in transporting tilapia fry

A technology of electrified water and tilapia, applied in application, climate change adaptation, fish farming, etc., can solve the problems that restrict the development of tilapia farming industry, short transportation time, low survival rate, etc., to improve the quality of fry, The effect of less scale shedding and less pollution

Active Publication Date: 2017-02-22
TONGWEI AGRI DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing technologies such as methods such as increasing oxygen to keep alive and hypothermic anesthesia can achieve good results, but they are not comprehensive and cannot coordinate various factors
There are also problems such as low survival rate, short transportation time and high cost that seriously restrict the development of tilapia aquaculture industry

Method used

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  • Application of a kind of fishery electrified water in transporting tilapia fry
  • Application of a kind of fishery electrified water in transporting tilapia fry
  • Application of a kind of fishery electrified water in transporting tilapia fry

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] (1) Screen tilapia fry with excellent physique and the same specifications, and temporarily raise them for 20-30 days. Strict manual screening to prevent fry scales from falling off; pay attention to control the water temperature in the temporary fish fry pond at about 22°C, and sprinkle disinfectant on the whole pond to prevent bacterial infection, and feed pellet feed containing 30% crude protein, and special personnel are responsible for intensive cultivation After 20-30 days, remove the fish fry that are not in good condition to ensure that the transported fish fry are healthy, active in swimming, free from disease and injury.

[0031] (2) Start to stop feeding 2-3 days before transportation, and do a net-drawing exercise every day. Change the dirty water 2-3 days before transportation, inject fresh water, stop feeding for 2-3 days at the same time, and exercise once a day by pulling the net. The specific method is to use soft and smooth nets to net the seedlings in...

Embodiment 2

[0041] Other contents are as in Example 1, the dissolved oxygen concentration in the electrolytic water for fishing is 8 mg / L, the water temperature is 22°C, the pH is 6.5, the ammonia nitrogen concentration is <0.1 mg / L, the nitrite nitrogen concentration is <0.0075 mg / L, and arsenic, Thirty-four indicators such as cadmium meet the "Drinking Water Sanitation Standard" (GB5749-2006).

[0042] Put tilapia fry, the weight ratio of fish to water is 1:11, the concentration of electrolytic water for fishing is 50%, the tanker is turned on for aeration or the packing bag is filled with pure oxygen, add ice to control the water temperature at 18°C, start transportation, and check regularly.

[0043] The transportation survival rate is increased by 10.2%, the fry quality is good, the transportation time is extended by 20%, the transportation capacity is increased by 18%, and the impact on environmental pollution is small.

Embodiment 3

[0045] Other contents are as in Example 1, the dissolved oxygen concentration in the electrochemical water for fishing is 10.2 mg / L, the water temperature is 23°C, the pH is 7.9, the ammonia nitrogen concentration is <0.1 mg / L, the nitrite nitrogen concentration is <0.0075 mg / L, and the arsenic Thirty-four indicators such as cadmium and cadmium meet the "Drinking Water Sanitation Standard" (GB5749-2006).

[0046] Put in tilapia fry, the weight ratio of fish to water is 1:14, the concentration of electrolyzed water for fishing is 100%, the tanker is turned on for aeration or the packing bag is filled with pure oxygen, add ice to control the water temperature at 22°C, start transportation, and check regularly.

[0047] The transportation survival rate is increased by 20%, the fry quality is good, the transportation time is extended by 30%, the transportation capacity is increased by 35%, and the impact on environmental pollution is small.

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Abstract

The invention belongs to the field of fish larvae cultivation, and particularly relates to an application of fishery electrochemical water in transporting fish larvae of tilapia mossambica. The safe and environment-friendly fishery electrochemical water, which is without any pollution, bacteria, algae and insects, is used for transporting the fish larvae, and is used for transporting the famous fish larvae, such as the tilapia mossambica, so that the transportation survival rate and quality of the fish larvae can be effectively improved, the transportation time is beneficially prolonged, and the transportation capability is beneficially improved. The application and a method provided by the invention are simple and convenient in operation, become effective quickly, and have a wide application prospect.

Description

technical field [0001] The invention belongs to the field of fish fry cultivation, and in particular relates to the application of electrolyzed water for fishery in transporting tilapia fry. Background technique [0002] Fish fry transportation is a major link in the aquaculture process. Compared with adult fish, fry have poorer physique, weaker vitality, poor resistance to stress and disease, and are easy to die during transportation. Therefore, the survival rate of fry transportation and the quality of fry will greatly affect the benefits of farmers, especially for tilapia. Fish and other famous fish. [0003] Tilapia, commonly known as African crucian carp, belongs to Perciformes, Perciformes, Cichlidae, and Tilapia. It is a tropical fish, which not only grows fast, reproduces easily, eats miscellaneous food, has few diseases, and has high yield, but also can be cultured in fresh water and sea water. It is an excellent species recommended by the Food and Agriculture Org...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/10A01K63/04
CPCA01K61/00A01K63/04Y02A40/81
Inventor 刘汉元吴宗文梁勤朗李杰陈聪鲍斌王超蒋礼平陈章李莉黄平
Owner TONGWEI AGRI DEV CO LTD
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