Parent-tor-brevifilis gonad synchronous and early development method

A technique for the development of the gonads of the broodstock of the broodstock in the field of synchronous early development of the gonads of the broodstock

Inactive Publication Date: 2015-06-24
NINGGUO JINDONGFANG AGRI DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is no report on the synchronous development of gonads in valvular fish

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A method for the synchronous early development of the gonads of the broodstock fishes proposed by the present invention comprises the following steps:

[0025] A. Select aquaculture fish tank: choose a fish tank with a length of 2900mm, a width of 620mm, and a height of 900mm as the aquaculture fish tank. The aquaculture fish tank has a filtration system and a drainage system. The aquaculture fish tank has a built-in aquarium controller to control the light and surf pump;

[0026] B. Select brood fish: at the end of October, choose the scorpion fish with no disease and no injury on the body surface in the wild environment as the parent. The male fish is 3 years old, with a body length of more than 25cm and a weight of more than 260g, and the female fish is 4 years old. More than 35cm in length and more than 700g in weight;

[0027] C. Temporary raising: Oxygenate the broodstock with an oxygen bag and transport it back, soak it in salt water with a mass fraction of 5wt% ...

Embodiment 2

[0034] A method for the synchronous early development of the gonads of the broodstock fishes proposed by the present invention comprises the following steps:

[0035] A. Select aquaculture fish tank: choose a fish tank with a length of 2970mm, a width of 610mm, and a height of 968mm as the aquaculture fish tank. The aquaculture fish tank has a filtration system and a drainage system. The aquaculture fish tank has a built-in aquarium controller to control the light and surf pump;

[0036] B. Select brood fish: at the end of October, choose the scorpion fish with no disease and no injury on the body surface in the wild environment as the parent. The male fish is 3 years old, with a body length of more than 25cm and a weight of more than 260g, and the female fish is 4 years old. More than 35cm in length and more than 700g in weight;

[0037] C. Temporary raising: Oxygenate the broodstock with an oxygen bag and transport it back, soak it in salt water with a mass fraction of 4wt% ...

Embodiment 3

[0044] A method for the synchronous early development of the gonads of the broodstock fishes proposed by the present invention comprises the following steps:

[0045] A. Select aquaculture fish tank: choose a fish tank with a length of 2930mm, a width of 615mm, and a height of 932mm as the aquaculture fish tank. The aquaculture fish tank has a filtration system and a drainage system. The aquaculture fish tank has a built-in aquarium controller to control the light and surf pump;

[0046] B. Select brood fish: at the end of October, choose the scorpion fish with no disease and no injury on the body surface in the wild environment as the parent. The male fish is 3 years old, with a body length of more than 25cm and a weight of more than 260g, and the female fish is 4 years old. More than 35cm in length and more than 700g in weight;

[0047] C. Temporary raising: Oxygenate the broodstock with an oxygen bag and transport it back, soak it in salt water with a mass fraction of 3.8wt...

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PUM

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Abstract

The invention discloses a parent-tor-brevifilis gonad synchronous and early development method. The parent-tor-brevifilis gonad synchronous and early development method includes the following steps: A, selecting an aquaculture fish tank; B, selecting parent tor brevifilises; C, carrying out temporary breeding, wherein the parent tor brevifilises are immersed by a salt solution with the mass fraction ranging from 3wt% to 5wt% for 5 minutes to 10 minutes, then the parent tor brevifilises are placed in a circulating water system to be temporarily bred for 1 week, and the weight of artificial particle feed fed every day is 3% to 5% of the weight of the parent tor brevifilises; D, breeding the parent tor brevifilises, wherein the parent tor brevifilises are placed into the aquaculture fish tank with the female-to-male ratio 1:1.2, the temperature of water in the aquaculture fish tank rises to 22 DEG C, the illumination intensity of the aquaculture fish tank ranges from 390 lux to 410 lux, the sunlight application time of the aquaculture fish tank is set to be 18 h, a surfing pump and a filtering system run all the time, micro water flow stimulation is formed, and after the water is changed each time, microbial preparations need to be added to be used for adjusting the water quality. By means of the parent-tor-brevifilis gonad synchronous and early development method, the female parent tor brevifilises and the male parent tor brevifilises can be promoted to be developed synchronously; in addition, the gonads of the female parent tor brevifilises and the male parent tor brevifilises can be developed early, and the parent tor brevifilises with the synchronously-and-fully-developed gonads can be obtained only in three months.

Description

technical field [0001] The invention relates to the technical field of promoting fish development, in particular to a method for the synchronous and early development of gonads of broodstock fishes. Background technique [0002] The genus Osteophyta belongs to the class Osteophyta, Cyprinidae, Cyprinidae, Subfamily Cyprinidae, genus Osteophyta, subgenus Osteophyta. Commonly known as: Hasi, Chongkou, Mazui, Laju. The valvefish is a middle-lower fish that lives in clear running water. It has a streamlined body shape, a pointed head, and strong fins. It is one of the fishes that are good at swimming. It often passes through the rocks at the bottom of the water, sucks food from the bottom of the river and the stone surface with its trumpet-shaped flexible mouth, and feeds on benthic molluscs, aquatic insects and their larvae, plant fragments and filamentous algae. Generally, 3-year-old fish reach sexual maturity, and the spawning period is estimated to be between June and July...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00A23K1/18A23K1/14A23K1/16A23K1/175
CPCY02A40/81A01K61/00C02F3/34C02F2303/04
Inventor 沈蓓杰周洵魏泽能李正荣凌跃进胡伟陈冬林章星明柴继芳俞爱萍周自年杨丽丽汪端慧张艳王骏俊马义军王盛王建飞
Owner NINGGUO JINDONGFANG AGRI DEV
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