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Loach larva breeding method

A breeding method and seedling technology, applied in the field of breeding, can solve the problems of restricting the development of loach breeding industry, low cultivation survival rate, and poor quality of seedlings, so as to prevent the carrying of pathogenic bacteria, uniform distribution of medicaments, and lower survival rate. Effect

Active Publication Date: 2016-01-27
GUANGXI ACADEMY OF FISHERY SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] According to incomplete statistics, the price of loach has continued to rise for more than ten years, and the export of loach has also increased significantly. The market demand in Hong Kong, Macao, Taiwan, Japan, and South Korea continues to grow, and the market space is huge. Purely relying on wild resources can no longer meet people's needs.
Most of the seed sources for loach breeding are natural waterlogging. The growth characteristics of seedlings are unstable, the quality of seedlings is poor, and the quantity is small, which cannot meet the needs of large-scale production. However, the survival rate of artificially propagated loach is low at the inch seedling stage, which restricts the growth of loach. Development of aquaculture

Method used

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Embodiment 1

[0034] The invention provides a method for cultivating loach seedlings, comprising:

[0035] Breeding pond construction: set up a cement pond with a length of 7m, a width of 1.5m and a height of 0.3m as a breeding pond;

[0036] Disinfection of the culture pond: 1 day before the seedlings are stocked to the culture pond, the culture pond is disinfected with potassium permanganate with a mass fraction of 0.01%;

[0037] Seed stocking: Put the oxygen bag containing the seed into the breeding pond to slow down the seedlings for 10 minutes, then put the seedlings into the breeding pond, and the stocking density is 10,000 fish / m 2 ;

[0038] Breeding pond management: at 8:00 am, 12:00 noon and 5:00 pm every day, feed the bait, the bait includes egg yolk, soybean milk, wheat flour, earthworm powder, Artemia and rotifers, and the amount of the bait fed is the total amount of seedlings. 2% of body weight;

[0039] Water quality management: Replace fresh water in the breeding pond a...

Embodiment 2

[0055] The invention provides a method for cultivating loach seedlings, comprising:

[0056] Breeding pond construction: set up a cement pond with a length of 7m, a width of 1.5m and a height of 0.3m as a breeding pond;

[0057] Disinfection of the culture pond: 1 day before the seedlings are stocked to the culture pond, the culture pond is disinfected with potassium permanganate with a mass fraction of 0.01%;

[0058] Seed stocking: Put the oxygen bag containing the seed into the breeding pond to slow down the seedlings for 10 minutes, then put the seedlings into the breeding pond, and the stocking density is 10,000 fish / m 2 ;

[0059] Breeding pond management: every day at 9:00 am, 1:00 noon and 6:00 pm, feed the bait, the bait includes egg yolk, soybean milk, wheat flour, earthworm powder, Artemia and rotifers, and the amount of the bait fed is the total amount of seedlings. 5% of body weight;

[0060] Water quality management: Replace fresh water in the breeding pond at...

Embodiment 3

[0076] The invention provides a method for cultivating loach seedlings, comprising:

[0077] Breeding pond construction: set up a cement pond with a length of 7m, a width of 1.5m and a height of 0.3m as a breeding pond;

[0078] Disinfection of the culture pond: 1 day before the seedlings are stocked to the culture pond, the culture pond is disinfected with potassium permanganate with a mass fraction of 0.01%;

[0079] Seed stocking: put the oxygen bag containing the seed into the breeding pond to slow down the seedlings for 10 minutes, then put the seedlings into the breeding pond, and the stocking density is 10,000 fish / m 2 ;

[0080] Breeding pond management: every day at 8:30 in the morning, at 12:30 in the afternoon and at 5:30 in the afternoon, feed the bait. The bait includes egg yolk, soybean milk, wheat flour, earthworm powder, Artemia and rotifers. The amount of the bait fed is 2.5% of the total seed weight;

[0081] Water quality management: Replace fresh water i...

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Abstract

The invention discloses a loach larva breeding method. The method includes the following steps of: breeding pond construction; breeding pond disinfection; larva stocking: after being rejuvenated for 10 minutes, larvae are thrown into a breeding pond, and stocking density is 10 thousands larvae / m<2>; breeding pond management: baits are thrown into the breeding pond from 8:00 to 9:00 in the morning, 12:00 to 1:00 at noon and 5:00 to 6:00 in the afternoon every day; water quality management: water in the breeding pond is changed daily; pond disinfection: a pond is disinfected with quicklime of 50kg / mu; larva delivery: after being cultivated in the breeding pond for 6 to 10 days, the larvae are thrown into the pond, and stocking density is 200 thousands larvae / m<2>; and pond management: after the larvae are stocked in the pond, the larvae are fed with mixed feed, the feeding amount of the mixed feed in the summer and winter is 1 to 3% of the total weight of the loaches, and the feeding amount of the mixed feed in the spring and the autumn is 5 to 10% of the total weight of the loaches. With the method of the invention adopted, large-scale industrial production of loaches can be realized.

Description

technical field [0001] The invention relates to the field of breeding technology. More specifically, the present invention relates to a method for cultivating loach seedlings. Background technique [0002] Loach belongs to Cyprinidae, Loachidae, and Loach genus. Its body is long, cylindrical, and the tail peduncle is flat on the side. It is widely distributed in water bodies such as rivers, reservoirs, lakes, and ditches. Loach meat is tender, delicious, and rich in nutrition. It is a high-protein, low-fat famous aquatic product variety. Along with the raising of people's living standard, pay attention to the deployment of dietary nutrition, the nutritive and medicinal efficacy of loach is favored by consumers, and the market demand of loach is greatly increased. [0003] According to incomplete statistics, the price of loach has continued to rise for more than ten years, and the export of loach has also increased significantly. The market demand in Hong Kong, Macao, Taiw...

Claims

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Application Information

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IPC IPC(8): A01K61/00
CPCA01K61/00Y02A40/81
Inventor 陆专灵黄黎明张益峰赵忠添王卉李旻雷燕
Owner GUANGXI ACADEMY OF FISHERY SCI
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