Method for producing sterile hybrid nibea albiflora

A production method and hybrid sterile technology, applied in fish farming, application, climate change adaptation, etc., can solve problems such as the difficulty of predicting the results of hybridization, and achieve the advantages of easy on-site operation, good promotion and application prospects, and strong stress resistance Effect

Active Publication Date: 2017-05-10
MARINE FISHERIES RES INST OF ZHEJIANG
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  • Abstract
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AI Technical Summary

Problems solved by technology

The success of artificial hybridization, whether the offspring can survive or be sterile, depends on the compatibility of the genetic material of the parents used for hybridization, and the results of hybridization are often difficult to predict

Method used

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  • Method for producing sterile hybrid nibea albiflora
  • Method for producing sterile hybrid nibea albiflora
  • Method for producing sterile hybrid nibea albiflora

Examples

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Embodiment 1

[0034] A method for cultivating gonadal sterile yellow amberjack, the method includes the following steps:

[0035] (1) Cultivation of broodstock

[0036] Select the female and male silver croaker as broodstock, and carry out nutrition fortification and regulation of light and temperature on the croaker and silver croaker respectively to promote the synchronous maturation of their gonads; raise the temperature during cultivation, and the water temperature will gradually increase from 18℃ Raise it to 24℃; select parents with better gonadal development in the broodstock breeding pond, place the selected parents in a black cloth covered bucket, and keep the cultivation water temperature at 22-24℃;

[0037] (2) Artificially induced spawning of female croaker

[0038] The female skipper was used to induce labor, and the injection luteinizing hormone releasing hormone A2 was used as the oxytocin, the injection dose was 1kg parent injection 1.5-2μg oxytocin, and the parent’s cultivation temp...

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Abstract

The invention discloses a method for producing sterile hybrid nibea albiflora. The method includes the following steps: using nibea mitsukurii as a female parent and pennahia argentatus as a male parent, and promoting the sexual glands of the nibea mitsukurii and the pennahia argentatus to be mature synchronously; selecting the nibea mitsukurii with well-developed sexual glands and the pennahia argentatus with well-developed sexual glands, and injecting lutein release promoting hormones for artificially induced spawning of the nibea mitsukurii; collecting an ovum of the nibea mitsukurii and a sperm of the pennahia argentatus, and conducting dry fertilization; breeding hybrid larva fish, hybrid young fish and hybrid juvenile fish respectively, and observing the sexual gland. The hybridization method is used for culturing the nibea albiflora with the sterile sexual gland, and the bred nibea albiflora has the advantages of being high in survival rate, strong in stress resistance, totally sterile and the like. The method has the advantages of being simple and easy to operate, and the sterile hybrid nibea albiflora has a good application prospect in aquaculture production, can be used as an artificial 'surrogate' receptor, and has very important application value.

Description

Technical field [0001] The present invention relates to the field of fishery technology, in particular to a method for producing sterile yellow aquila by using an artificial hybridization method, and particularly relates to a production method of hybrid sterile yellow aquila. Background technique [0002] Gonadal sterile fish have high scientific research and application value in aquaculture. First, gonadal sterile fish tend to show advantages such as fast growth and high meat yield; secondly, gonadal sterile fish can reduce the ecological risk caused by fish escaping into nature; secondly, gonadal sterile fish Species have special applications in scientific research. For example, in fish artificial "surrogacy" studies, gonadal sterile fish are used as recipients to produce sperm or eggs from other fish species. Therefore, exploring the method of producing gonadal sterile fish is of great significance in aquaculture. [0003] Usually, gonadal sterile fish can be produced by artif...

Claims

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Application Information

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IPC IPC(8): A01K61/10
CPCA01K61/00Y02A40/81
Inventor 徐冬冬楼宝詹炜陈睿毅王立改刘峰
Owner MARINE FISHERIES RES INST OF ZHEJIANG
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