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A kind of breeding method in advance, cultivating large-scale lip * seedling breeding

A large-scale, seedling technology, applied in the field of lip breeding, can solve the problems of slow growth of seedlings and long breeding cycle, and achieve the effects of promoting gonad development, improving survival rate and prolonging breeding period.

Active Publication Date: 2016-07-20
丹东市水产技术推广总站
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Currently, lips The artificial breeding technology in China still stays at the natural harvesting of broodstock for spawning or wild seedlings, resulting in lip The seedling growth rate is slow, the breeding cycle is long and other problems

Method used

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  • A kind of breeding method in advance, cultivating large-scale lip * seedling breeding

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Embodiment 1

[0056] In this embodiment, early breeding and cultivation of large-scale lip Seed propagation method, concrete steps are as follows:

[0057] 1. Breeding and maturation of broodstock

[0058] Catch natural and farmed lip , preferably with a body weight of 1 to 3 kg and no disability as a broodstock, and intensive cultivation after screening. Use 8m×8m=64m 2 Cement ponds are used to cultivate broodstock, the water depth is 1.4m, and 10-15 broodstock are stocked in each pond. Clean the bottom of the pond once a day, feed surimi processed from fresh miscellaneous fish or artificial compound feed according to 3-5% of the broodstock body weight, and feed three times a day.

[0059] From April 5th, the greenhouse was used to increase the temperature by sunlight. During the day, the temperature can be raised naturally by 0.5-1°C. During the cultivation process, the water temperature should be well controlled to maintain good water quality. During the period, micro-flow water (f...

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Abstract

The invention relates to the field of breeding of hemibarbus labeo, in particular to a seedling breeding method for early breeding and cultivating large-size hemibarbus labeo. The method comprises the steps of (1) cultivating parent fish, that is, cultivating the parent fish by using a soil pond, feeding the parent fish with granular baits for 2-4 times every day, and performing micro-running water cultivation, wherein the weight of each parent fish is 1-3 kg, and the bait amount is 2-5 percent of the body weight of the parent fish; (2) maturing the parent fish, that is, raising the temperature and increasing the illumination by virtue of greenhouse daylight according to the characteristic that the temperature is quickly raised in early spring, accelerating the gonad development of the hemibarbus labeo, and helping the gonad of the hemibarbus labeo to transit from the period IV to the period V by virtue of running water stimulation; (3) performing artificial spawning induction; (4) performing insemination and incubation; (5) performing seedling cultivation, that is, cultivating water blooms and black sons of the hemibarbus labeo in the soil pond and a cement pond, and cultivating fries and adult fish of the hemibarbus labeo. The parent fish is cultivated by using a greenhouse temperature control technology, a light control technology and a running water maturing technology, and de-bonding incubation of fertilized ova is realized, so that the survival rate of seedlings is greatly improved, and the cultivation period is effectively shortened.

Description

technical field [0001] The present invention relates to lip (huá) Breeding field, specifically a kind of early breeding, cultivating large-scale lip Seed breeding methods. Background technique [0002] lip Hemibarbuslabeo (Pallas), common name heavy lip fish. Belonging to Cyprinidae, Cyprinidae, and Subfamily Cyprinidae, the Latin genus name: HembarbusBleeker. It has a wide distribution throughout the country, and the Liaoning area is mainly distributed in the Yalu River Basin and its tributaries (Kai River, Dayang River), Hun River, Taizi River, Biliu River, etc. lip The meat is tender, nutritious, rich in amino acids, vitamins and minerals, and is a high-end aquatic product loved by consumers. [0003] Currently, lips The artificial breeding technology in China still stays at the natural harvesting of broodstock for spawning or wild seedlings, resulting in lip The growth rate of seedlings is slow, and the breeding cycle is long. Contents of the invention ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 刘吉明袁甜孙述好冯春明李万贺高沛力马德利郑毅李明许迪亮郝永丰姜景田
Owner 丹东市水产技术推广总站
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