Loach larva cultivating method

A technology for loach and seedlings is applied in the field of breeding, which can solve the problems of low survival rate and the like, and achieve the effects of improving the survival rate, increasing economic benefits and reducing the cost of raising seedlings.

Inactive Publication Date: 2014-03-05
太和县旭升水产养殖有限公司
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AI Technical Summary

Problems solved by technology

[0006] In order to solve the problem of low survival rate in the current loach seedling raising process, the inv

Method used

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Embodiment Construction

[0018] A kind of loach nursery method, comprises the following steps:

[0019] (1) Breeding and spawning Select healthy male and female loaches with a ratio of 2:1, induce labor when they are sexually mature, inject chorionic gonadotropin and put them into the birthing bed for mating and spawning;

[0020] (2) Put the eggs into the hatching tank to hatch evenly, place the oxygen-increasing rod on the edge of the pool, and place the oxygen-increasing rod on the bottom of the pool after the film is released, which increases the amount of oxygen around the eggs, and can disperse the eggs and reduce the density of the eggs. Significantly increase the rate of film emergence of loach seedlings, and cultivate loach seedlings;

[0021] (3) Use pond clearing medicine to clear the pond, start watering after 3 days, the water depth is 60-80cm, and then use amino acid to fertilize the water. When the color of the pond water is cultivated to yellow-green, the loach seedlings start to go to...

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Abstract

The invention belongs to the field of cultivation and particularly relates to a loach larva cultivating method. The method includes the following steps that firstly, breeding and oviposition are performed; secondly, eggs are put into an incubation pool to be incubated evenly, an oxygen boosting rod is placed beside the pool, the oxygen boosting rod is placed at the bottom of the pool after loach larvae get out of membranes, and the loach larvae are cultivated; thirdly, pond cleaning medicine is used for cleaning the pond, water filling and fertilizing are started three days later, and when the color of water of the pond is cultivated to be yellow green, the loach larvae are put into the pond; fourthly, before the loach larvae are put into the pond, the loach larvae are put into oxygen bags at first, the oxygen bags are put into the pool for buffering and then, the loach larvae are put into a net box; fifthly, milk powder and quail egg yolk are used as bait for feeding the loach larvae; sixthly, powder materials starts to be cast after seven to ten days. The rate of survival of the larvae cultivated with the loach larva cultivating method is improved to be more than 35%. By adjusting the position of the oxygen boosting rod, the density of the eggs can be adjusted, workloads are reduced, the cost in cultivating the larvae is reduced and economic benefits are boosted.

Description

technical field [0001] The invention belongs to the field of breeding, and in particular relates to a method for raising loach seedlings. Background technique [0002] Loach is known as "ginseng in water" for its delicious taste, tender meat and rich nutrition. According to analysis, every 100 grams of loach meat contains 18.4 grams of protein, 2.9 grams of fat, and the content of vitamin B1, A, and C is higher than that of other fish. In addition, loach is mild in nature, sweet in taste, and enters the liver, spleen and kidney. It also has high medical value. Therefore, in recent years, the export trade volume of loach has increased year by year, and the consumption of loach in China has also shown an upward trend. [0003] Since the natural loach resources are far from meeting people's consumption needs, the loach breeding industry has also begun to enter a period of rapid development. The existing loach hatching cultivation method is: place the loach broodstock in the p...

Claims

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Application Information

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IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 梁贺毕伸王慧
Owner 太和县旭升水产养殖有限公司
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