Cultivation method of Australian dragonfly fry

A culturing method and a dragon-spotted technology, applied in the field of cultivation of Australian dragon-spotted fry, can solve the problems of high morbidity rate, low survival rate, poor economic benefit, etc., to ensure cleanliness, prevent disease or bacterial infection, The effect of increasing the cost of cultivation

Active Publication Date: 2018-09-04
CENT LAB FUJIAN ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved in the present invention is to provide a method for cultivating the Australian dragonfry fry, which solves the problems of high morbidity, low survival rate and poor economic benefits in the traditional cultivation process of Australian dragonfry fry.

Method used

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  • Cultivation method of Australian dragonfly fry
  • Cultivation method of Australian dragonfly fry
  • Cultivation method of Australian dragonfly fry

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] 1) Temporary fish fry: Put the Australian dragon stripe fish fry obtained by hatching the fertilized eggs of the Australian dragon stripe into a fry holding pond with a smooth inner wall and an area of ​​2 square meters. The fry density is controlled at 20,000 fish / cubic meter, and the water flow Control at 50 liters / hour, aerate and increase oxygen, and do not feed bait for the first 5 days;

[0056] 2) Cultivation of fry openings: After the fry are put into the fry holding pond for 5 days, they start to feed animal bait, and carry out the opening cultivation of fry; 100% of the heavy fish was fed animal bait, which was divided into 4 times; the middle stage of opening cultivation lasted for 24 days, and the animal bait was fed every day according to the weight of 40 fish, and the feeding was divided into 2 times; 25% of the weight is fed with animal bait, which is divided into 2 times;

[0057] 3) Fry re-export domestication: After 40 days of open-mouth cultivation o...

Embodiment 2

[0063] 1) Temporary fish fry: Put the Australian dragon stripe fish fry obtained by hatching the fertilized eggs of the Australian dragon stripe into a fry holding pond with a smooth inner wall and an area of ​​3 square meters. The fry density is controlled at 40,000 fish / cubic meter. Control at 60 liters / hour, aerate and increase oxygen, and do not feed bait for the first 5 days;

[0064] 2) Cultivation of fry openings: After the fry are put into the fish fry holding pond for 5 days, they start to feed animal bait, and carry out the opening cultivation of fry; the opening cultivation of fry includes early stage, middle stage and late cultivation; 100% of the fish weight was fed with animal bait, which was divided into 4 times; the middle stage of open-mouth cultivation lasted for 27 days, and animal bait was fed with 42% of the fish weight every day, and was divided into 2 times; 27% of the fish weight was fed with animal bait, which was divided into 2 times;

[0065] 3) Fry...

Embodiment 3

[0071] 1) Temporary fish fry: put the Australian dragon stripe fish fry obtained by hatching the fertilized eggs of the Australian dragon stripe into a fry holding pond with a smooth inner wall and an area of ​​2.5 square meters. The fry density is controlled at 35,000 fish / m Control at 75 liters / hour, aerate and increase oxygen, and do not feed bait for the first 6 days;

[0072] 2) Cultivation of fish fry opening: After the fry are put into the fish fry holding pond for 6 days, they start to feed animal bait, and carry out fry opening cultivation; 100% of the fish weight was fed with animal bait, which was divided into 4 times; the middle stage of open-mouth cultivation lasted for 30 days, and animal bait was fed with 45% of the fish weight every day, which was divided into 2 times; Feed 30% of the fish weight with animal bait, and feed in 2 times;

[0073] 3) Fry re-export domestication: after 51 days of open-mouth cultivation for Australian dragon-spotted fish fry and the...

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Abstract

The invention provides a culture method of Australian dragon spot fish fry.The method comprises the following steps: (1) temporary rearing of fish fry; (2) opening cultivation of fish fry; (3) fish fry transit domestication; (4) preparation of a fish fry rearing pond; (5) fish fry rearing; (6) management of the fish fry rearing pond; (7) disease prevention and treatment.According to the culture method of the Australian dragon spot fish fry, all the steps are easy and convenient to operate, and the disease can be prevented and treated timely; before mixed feed is fed, the fish fry is subjected to 40-60 days of opening cultivation and 5-7 days of transit domestication; the management of the fish fry rearing pond is standard, sewage can be discharged on time, too small or large fish fry is screened for separate cultivation, the survival rate of the fish fry can be improved effectively, and the economic benefit is increased.

Description

technical field [0001] The invention relates to the technical field of fry cultivation, in particular to a method for cultivating Australian dragonfly fry. Background technique [0002] The Australian dragon stripe has a special appearance and delicious taste, and is known as the "National Treasure Fish" in Australia. Its meat is tender and delicious, thick, with few thorns, and rich in four kinds of amino acids and EPA and DHA nutrients. It is one of the high-quality fish. The breeding of Australian dragon stripes in my country is still in the initial stage. Only a few enterprises in Zhejiang and Fujian have experimented with breeding, and a small amount of sales have not been widely promoted. The domestic and foreign markets are huge. [0003] At present, there are many problems in the breeding technology of Australian dragon stripes in my country, especially in the fry cultivation stage, there are common problems such as improper bait feeding, non-standard management of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/10
CPCA01K61/00Y02A40/81
Inventor 罗钦罗土炎饶秋华
Owner CENT LAB FUJIAN ACADEMY OF AGRI SCI
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