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Early propagation and quick cultivation method of tilapia

A cultivating method and tilapia technology, applied in the field of tilapia breeding, can solve the problems of late seedling production season, late seedling season, and spring seedling tension, and achieve high yield, good benefit and high survival rate. Effect

Active Publication Date: 2017-05-10
YINGSHAN MINGDE FISH HATCHERY BREEDING
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AI Technical Summary

Problems solved by technology

Affected by natural conditions, especially the weather, the emergence season is late, which cannot meet the needs of the tilapia industry for a balanced product launch
Due to the obstacles in the traditional breeding technology, the seedling production season of this leading foreign exchange earning species is late, which affects the improvement of breeding benefits
Under natural conditions, tilapia starts to fry after April, and Hainan starts to raise seedlings from February to March. In order to save time, farmers hope to release seeds as early as possible in spring, which makes spring seedlings very tense and difficult to meet Demand, many farmers rush to buy seedlings from Hainan, the quality is uneven, which seriously affects the breeding effect

Method used

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Embodiment Construction

[0033]In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below.

[0034] Present embodiment provides a kind of tilapia early multiplication rapid cultivation method, the method is as follows:

[0035] The location is: Yingshan County, Huanggang City, Hubei Province. The size of the ponds used is 1-3 mu. The variety used is Xinjifu. Hot spring water and plastic greenhouses are used to heat up each pond.

[0036] In the first ten days of January, quicklime was used to clear the pond, the dosage was 75kg / mu, and the whole pond was sprinkled, and the water retention in the pond was 0.3m. In the middle of January, 1800 fish (1200 female fish and 600 male fish) will be released according to the ratio of 2:1 for male and female. The upper edge of the no-knot mesh sheet is 0.5m above the water surface, and the lower edge is pressed into the bottom of the pool to be tightly pressed,...

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Abstract

The invention discloses an early propagation and quick cultivation method of tilapia, and belongs to the technical field of tilapia culturing. According to the method, fry cultivation starts in the middle of January, and fries can be borne in early April; by means of strict fry cultivation condition control, the high survival rate and the high yield are guaranteed, the fry yield is 56-60 / kg, and fry bearing is very uniform.

Description

technical field [0001] The invention belongs to the technical field of tilapia culture, in particular to a method for early multiplication and rapid cultivation of tilapia. Background technique [0002] Tilapia is now a freshwater farmed fish cultivated by key scientific research in the world's aquaculture industry, and is known as one of the main sources of animal protein in the future. Usually live in fresh water, can also live in salt water with different salinity, and can also survive in shallow water of lakes, rivers, and ponds. It has strong adaptability and can reproduce in small waters, even in rice fields, and has strong adaptability to water with less dissolved oxygen. Most tilapia are omnivorous, often eating plants and debris in the water. [0003] At present, domestic and foreign tilapia reproduction is basically dependent on the weather, that is, spawning and fishlings are naturally spawned and fished in broodstock ponds without control facilities. Affected ...

Claims

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Application Information

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IPC IPC(8): A01K61/10
CPCA01K61/00Y02A40/81
Inventor 李名德汪建国谢从新魏志宇魏于生胡德国王文彬
Owner YINGSHAN MINGDE FISH HATCHERY BREEDING
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