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Artificial reproduction method for Triplophysa yarkandensis

A Yeerqiang plateau loach, artificial reproduction technology, applied in fish farming, application, climate change adaptation and other directions, can solve the problems of long effect time, low fertilization rate, low hatching rate, etc., to improve the fertilization rate and shorten the effect time. , the effect of increasing egg production

Inactive Publication Date: 2015-03-25
TARIM UNIV
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AI Technical Summary

Problems solved by technology

However, the fertilization rate and hatching rate of this artificial propagation method are low, and the effect time is relatively long

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] 1. Experimental materials:

[0013] Select the Yarkand plateau loach that has been raised temporarily for 90 days, choose female fish over 3 to 5 years old, and male fish over 2 to 4 years old;

[0014] Choose chorionic gonadotropin (HCG), luteinizing hormone-releasing hormone analog (LRH-A 2 );

[0015] Prepare dry towels, several 1-5ml disposable syringes, 0.9% saline, etc.;

[0016] Equipped with water for oxytocin and hatching, using fully aerated tap water for standby, the water quality conditions are water temperature between 15-22°C, floating range 0.5°C, pH between 6.5-8.5, dissolved oxygen maintained above 4.0mg / L;

[0017] Before induced labor, prepare 2 running pools: length × width × height 2 × 0.6 × 0.3m, small cages: length × width × height 0.6 × 0.4 × 0.3m.

[0018] 2. Experimental method:

[0019] (1) Prenatal preparations: Before inducing labor, first use 20mg / L potassium permanganate to disinfect two flowing pools and a net cage for standby use. P...

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PUM

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Abstract

An artificial reproduction method for Triplophysa yarkandensis comprises the following steps of (1) preparation before production, (2) artificial production hastening and (3) artificial incubation. Pubescent Triplophysa yarkandensis individuals are selected, production hastening medicine and dosage are selected, the maturity of Triplophysa yarkandensis parent fishes can be centralized and synchronized through a series of technologies and methods of artificial production hastening and insemination, temporary rearing in a flowing water pool, stimulation of water flow and artificial incubation, the Triplophysa yarkandensis parent fishes can spawn in a centralized mode within a short time, the effect time is shortened, the fertilization rate and the incubation rate are improved, the egg laying amount is increased, breed conservation and proliferation of the Triplophysa yarkandensis in the Tarim River drainage basin are achieved, a solid foundation is laid for Tarim River fishery resource protection, proliferation and releasing of indigenous fishes and development and protection of the Triplophysa yarkandensis, and meanwhile the blank of artificial reproduction of Triplophysa yarkandensis fishes at home and abroad is filled up. Experiments prove that the fertilization rate of the artificial reproduction method for the Triplophysa yarkandensis reaches up to 95 percent, the incubation rate reaches up to 80 percent, the rate of emergence is above 75 percent, and the effect time is 6h to 12h.

Description

technical field [0001] The invention relates to an artificial propagation method for loach, in particular to an artificial propagation method for loach on the Yarkand plateau. Background technique [0002] The Yarkand plateau loach in the Tarim River Basin, known locally as doghead fish, belongs to Cyprinidae, Loachidae, Strigoideae, Plateau Loach, and Swimbladder subgenus, and is widely distributed in various water systems in the Tarim River Basin. Tarim River Yarkand plateau loach is an indigenous fish in the Tarim River water system. It is one of the fastest-growing loaches in the Tarim River water system, and it is also a dominant species in the Tarim River water system. In recent years, due to people's pursuit of nutrition for indigenous fish and love for famous and high-quality aquatic products, the Yarkand plateau loach has been overfished by fishermen, resulting in a sharp decline in the resources of the Yarkand plateau loach and the destruction of the habitat of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00A01K61/10
CPCA01K61/00Y02A40/81
Inventor 陈生熬姚娜宋勇刘利林谢从新任道全
Owner TARIM UNIV
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