Method for increasing transcaucasian barb artificial reproduction fertility rate

A technology of artificial reproduction and fertilization rate, which is applied in fish farming, application, climate change adaptation, etc., can solve the problem of low fertilization rate of multi-scale shoveljaw fish artificial reproduction, and achieve the effect of improving the fertilization rate

Inactive Publication Date: 2017-10-20
SOUTHWEST UNIV
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Problems solved by technology

[0004] The purpose of the present invention is to provide a method for improving the fertilization rate of multi-scale shovel-jaw artificial breeding fish, to solve the problem of low multi-scale shovel-jaw fish artificial breeding fertilization rate proposed in the above-mentioned background technology

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  • Method for increasing transcaucasian barb artificial reproduction fertility rate

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Embodiment Construction

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0021] see figure 1 , in an embodiment of the present invention, a method for improving the fertilization rate of multi-scale shovel-jaw artificial breeding fish comprises the following steps:

[0022] (1) Broodstock preparation: Put the collected wild broodstock into a flow pool with better water quality and higher flow velocity, and carry out temporary breeding of male and female in separate ponds at the bottom of the water body; The concentration of semen,...

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Abstract

The invention discloses a method for increasing the transcaucasian barb artificial reproduction fertility rate. The method comprises the following steps of 1, parent fish preparation; 2, artificial hormone injection, wherein a two-time injection method is adopted for performing artificial hormone injection, and the time interval between two times of needle injection is 24 h; according to the female transcaucasian barb injection dosage, the first-time injection dosage is 4 micrograms per kilogram of parent transcaucasian barb, and the second-time injection dosage is 4 micrograms of LRH-A, 800 IU of HCG, 3-5 of PG and 2,800 IG of LRH-A per kilogram of parent transcaucasian barb, and the male transcaucasian barb injection dosage is 1 / 2 of the female transcaucasian barb injection dosage; 3, artificial insemination; 4, micro running water culture fertility rate. The two-time injection method is adopted for artificial injection, and the time interval is 24 h; a semidry method is adopted for artificial insemination, a certain amount of ringer solution is added, and the transcaucasian barb artificial reproduction fertility rate can be remarkably increased, so that the key technical problem of transcaucasian barb artificial reproduction is solved, and then guarantees are provided for fry culture and commercial fish artificial reproduction.

Description

technical field [0001] The invention relates to the field of artificial fertilization of fish, in particular to a method for improving the fertilization rate of multi-scale shovel jaw artificial breeding fish. Background technique [0002] According to the survey, there are a few breeding farms in Chengkou County, Wuxi County and other districts and counties of Chongqing City that store a certain amount of multi-scale shoveljaw fish (Chengkou is called Chengkou carp, and Wuxi is called money fish) broodstock. Attempts to artificially reproduce the multi-scaled shoveljaw are carried out in the field every year, but they have not been successful. The main reason is that the fertilized eggs are low and the opening bait is not well resolved. [0003] Traditional artificial breeding of fish is carried out when the water temperature is higher, and the corresponding effect time is shorter. The multi-scale shovel-jaw fish are mostly distributed in the mountainous running water, th...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/10
CPCA01K61/10Y02A40/81
Inventor 何文平陈鹏飞伍莉黎春王春生
Owner SOUTHWEST UNIV
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