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Artificial propagation method of herzensteinia microcephalus in Qinghai-Tibet plateau

A technology of artificial breeding and naked splitting, which is applied in the field of wild animal germplasm resources protection, can solve the problems of unknown water temperature rhythm in natural spawning grounds, increase the difficulty of artificial breeding, etc., and achieve strong operability and good practical application results

Inactive Publication Date: 2020-11-20
CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The habitat of mature broodstock has not been studied, and the water temperature rhythm of t

Method used

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  • Artificial propagation method of herzensteinia microcephalus in Qinghai-Tibet plateau
  • Artificial propagation method of herzensteinia microcephalus in Qinghai-Tibet plateau
  • Artificial propagation method of herzensteinia microcephalus in Qinghai-Tibet plateau

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0029] Example 1:

[0030] A method for artificial propagation of the small-headed schisid fish on the Qinghai-Tibet Plateau, the steps are:

[0031] 1) Prenatal habitat location and behavior observation of wild broodstock: At the end of May and early June during the breeding season of broodstock, locate the prenatal habitat of broodstock broodstock at the source of the Yangtze River at 4800-4804m. Distribution (e.g. figure 1 As shown), find out the type of habitat that the broodstock prefers, as well as the range of activities and swimming behavior.

[0032] 2) Natural spawning ground incubation water temperature monitoring: monitor the incubation water temperature of the natural spawning ground through an automatic water temperature recorder, and embed the automatic water temperature recorder at the bottom of the river section of the spawning ground, and set the water temperature to be measured every 1 hour on the hour And record the water temperature. The monitoring period is fr...

Example Embodiment

[0041] Example 2:

[0042] A method for artificial propagation of the small-headed schisid fish on the Qinghai-Tibet Plateau, the steps are:

[0043] 1) Prenatal habitat location and behavior observation of wild broodstock: At the end of May and beginning of June during the breeding season of broodstock, the prenatal habitat distribution of broodstock of broodstock is located at the source of the Yangtze River at 4804-4810m , To find out the type of habitat that the broodstock prefers, as well as the range of activities and swimming behavior.

[0044] 2) Natural spawning ground incubation water temperature monitoring: monitor the incubation water temperature of the natural spawning ground through an automatic water temperature recorder, and embed the automatic water temperature recorder at the bottom of the river section of the spawning ground, and set the water temperature to be measured every 1 hour on the hour And record the water temperature. The monitoring period is from June ...

Example Embodiment

[0053] Example 3:

[0054] A method for artificial propagation of the small-headed schisid fish on the Qinghai-Tibet Plateau, the steps are:

[0055] 1) Prenatal habitat location and behavior observation of broodstock in the wild: At the end of May and beginning of June during the breeding season of the broodstock, the prenatal habitat distribution of broodstock of broodstock is located at the source of the Yangtze River at 4810-4820m , To find out the type of habitat the broodstock prefers, as well as the range of activities and swimming behavior.

[0056] 2) Natural spawning ground incubation water temperature monitoring: monitor the incubation water temperature of the natural spawning ground through an automatic water temperature recorder, and embed the automatic water temperature recorder at the bottom of the river section of the spawning ground, and set the water temperature to be measured every 1 hour on the hour And record the water temperature. The monitoring period is from...

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Abstract

The invention provides an artificial propagation method of herzensteinia microcephalus in Qinghai-Tibet plateau. The artificial propagation method comprises the following steps: (1) habitat positioning and behavior observation for wild parent fish before spawning; (2) monitoring of hatching water temperature of a natural spawning site; (3) parent fish selection; (4) male and female ratio; (5) artificial spawn and semen collection; (6) artificial insemination; (7) artificial incubation; (8) control of key water temperature for delivery; and (9) fry transfer. The artificial propagation method ofthe herzensteinia microcephalus in the Qinghai-Tibet plateau is feasible and convenient to operate, the parent fish has stable spawning amount and semen discharge amount, the survival rate of the parent fish reaches 100% after spawning, the fertilization rate and hatching rate are high, and obtained fries are well developed and have strong disease resistance. The method is suitable for breeding experimental animals under extreme conditions and reproducing the embryonic development process, and is also beneficial to natural population restoration and artificial conservation of the herzensteinia microcephalus in the Qinghai-Tibet plateau.

Description

technical field [0001] The invention relates to the technical field of protection of wild animal germplasm resources, in particular to an artificial propagation method of the scutellaria microcephalus on the Qinghai-Tibet Plateau. Background technique [0002] Herzensteinia microcephalus (Herzenstein 1891), belongs to Cyprinidae, Cyprinidae, Schizothorax subfamily, and the genus Bare Schizothorax. It is a unique fish in my country. fish, small-headed single toothed fish and small-mouthed Huangyu. Distributed on the north and south sides of the Tanggula Mountains on the Qinghai-Tibet Plateau, the sources of rivers and their lakes, such as the source of the Yangtze River and its affiliated water bodies, Qilin Lake and Namtso Lake and their affiliated rivers. The lowest distribution altitude is Longbao Beach in Yushu, Qinghai (4400m), and the highest is near the birthplace of the Yangtze River, Geladandong, the main peak of Tanggula Mountains (5200m). The small-headed fish is ...

Claims

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Application Information

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IPC IPC(8): A01K61/10A01K61/17
CPCA01K61/10A01K61/17Y02A40/81
Inventor 李伟赵良元赵伟华郭伟杰乔强龙
Owner CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION
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