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A method of artificial propagation of red-eyed trout

A technology for artificial reproduction and red-eye trout, which is applied in fish farming, application, climate change adaptation and other directions, can solve the problems of low survival rate and low spawning amount of red-eye trout fry, etc., and achieves the effect of improving hatching survival rate and improving fecundity.

Active Publication Date: 2015-12-02
JURONG JURONG RESERVOIR ADMINISTRATION OFFICE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In natural waters, because the parents of red-eyed trout are small, their egg production is relatively small. In addition, due to the fluctuation of hydrology in natural waters, the survival rate of hatched red-eyed trout fry is low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The artificial propagation method of red-eyed trout comprises the steps:

[0023] (1) Before January, use 150kg / mu quicklime to disinfect the red-eyed trout broodstock pond, inject 1.2m deep clear water, apply 250kg of fermented chicken manure per mu to cultivate water quality, and put 150kg / mu·m of red-eyed trout broodstock over 2 years old; water temperature When the temperature is 11-20°C, the feed is artificial feed, which is fed twice a day, and the daily feeding amount is 2% of the total weight of the surviving broodstock in the pond; when the water temperature is 14-20°C, the artificial feed is fed 2 times a day. The daily feeding amount of the artificial feed is 2% of the total weight of the surviving broodstock in the pond, and the daily feeding amount of the green feed is 20% of the total weight of the surviving broodstock in the pond. After entering the pond, the cultivation pond is filled with water every 15 days, and each time the water is injected 10cm (re...

Embodiment 2

[0030] The artificial propagation method of red-eyed trout comprises the steps:

[0031] (1) Before January, use 150kg / mu quicklime to disinfect the red-eyed trout broodstock pond, inject 1.2m deep clear water, apply 250kg of fermented chicken manure per mu to cultivate water quality, and put 150kg / mu·m of red-eyed trout broodstock over 2 years old; water temperature When the temperature is 11-20°C, the feed is artificial feed, once a day, and the daily feeding amount is 0.5% of the total weight of the surviving broodstock in the pond; when the water temperature is 14-20°C, feed artificial feed 1 The daily feeding amount of the artificial feed is 0.5% of the total weight of the surviving broodstock in the pond, and the daily feeding amount of the green feed is 10% of the total weight of the surviving broodstock in the pond. After entering the pond, the cultivation pond is filled with water every 20 days, each time 15cm (refers to the depth of the water);

[0032] The above-me...

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PUM

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Abstract

The invention discloses an artificial propagation method for squaliobarbus curriculus, which comprises the following steps: 1, putting the squaliobarbus curriculus into a processed farming pool, feeding artificial diet in combination with green fodder, wherein the squaliobarbus curriculus includes male squaliobarbus curriculus parent fish and female squaliobarbus curriculus parent fish; in the mid-to-late May, respectively injecting artificial oxytocic into the squaliobarbus curriculus parent fish and the female squaliobarbus curriculus parent fish for hastening parturition; and 3, allowing roes and male sperms to be subjected to artificial insemination, then moving fertilized eggs into a 5 percent normal saline for mixing, immersing in yellow mud water and cleaning for 3-5 times for debonding, and putting the fertilized eggs into an incubation cylinder or a concrete incubation ring for water incubation. According to the invention, the artificial oxytocic is adopted for hastening parturition, so that the fertility of the squaliobarbus curriculus is effectively improved, and as artificial insemination and artificial propagation way is adopted, the fertility rate and the survival rate of incubation of the fertilized eggs are both improved.

Description

technical field [0001] The invention relates to an artificial propagation method of red-eyed trout. Background technique [0002] Red-eyed trout belongs to Cyprinidae, Cyprinidae, Yaluo subfamily, and red-eyed trout. It is commonly known as red-eyed fish and wild grass carp in Zhenjiang, Jiangsu. It is distributed in various water systems across the country. It is a fast-growing, adaptable, miscellaneous food, commodity High value economic fish. [0003] Red-eyed trout grows fastest at the second to fourth instar stage, and common individuals can reach 0.5 to 1.5 kg. Generally speaking, red-eyed trout matures at the second age, and the mid-May to early June in Zhenjiang, Jiangsu Province is the peak spawning period for red-eyed trout broodstock, and their eggs are sticky eggs. In natural waters, because the parents of red-eyed trout are small, their egg production is relatively small. In addition, because the hydrology of natural waters is variable, the survival rate of ha...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 尚进李正元洪玉定李建伟王傲银刘怀
Owner JURONG JURONG RESERVOIR ADMINISTRATION OFFICE