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Germplasm identifying method of hybrid grouper

A hybrid grouper and identification method technology, applied in the field of germplasm identification, can solve the problems of high equipment requirements, time-consuming, complex operation techniques, etc.

Active Publication Date: 2013-02-27
广东大麟洋海洋生物有限公司
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Problems solved by technology

However, the operation technology is more complicated, the requirements for instruments and equipment are high, and the whole process is time-consuming.

Method used

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  • Germplasm identifying method of hybrid grouper
  • Germplasm identifying method of hybrid grouper
  • Germplasm identifying method of hybrid grouper

Examples

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Embodiment Construction

[0019] The present invention is further explained below in conjunction with the examples, but the examples do not limit the present invention in any form.

[0020] Before data acquisition, the fish to be tested were treated in an ice bath for 5 minutes to anesthetize and stretch the fish to obtain more realistic data. After the fish to be tested are weighed by a balance, the morphological parameters are determined, which specifically includes the determination of traditional measurable traits and frame measurement parameters. Traditional measurable traits include total length, body length, body height, body width, head length, snout length, eye diameter, interocular distance, caudal peduncle length, caudal peduncle height, anal anterior body length, and eye-back head length, a total of 12 parameters; The present invention only needs to obtain 7 parameters including total length, body length, head length, tail peduncle length, snout length, eye diameter, and eye distance.

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Abstract

The invention discloses a germplasm identifying method of hybrid grouper, which comprises basic steps as follows: detecting morphological parameters including traditional measurable characters of the full length, the body length, the head length, the tail length, the snout length, the eye diameter, the interorbital distance as well as detecting framework measurement data D1-4 and D5-8 of a sample to be tested; preliminarily processing the obtained parameters to obtain the following characteristic parameters: D1-4 / body length, D5-8 / body length, the full length / body length, the head length / the snout length, the body length / the tail length, the head length / the eye diameter, and the head length / the interorbital distance; and processing the parameters and then substituting into a corresponding judgment function model, and judging the category of the sample according to the maximum Y value. The method provided by the invention is simple, feasible, precise and effective.

Description

technical field [0001] The invention relates to a germplasm identification method, in particular to a hybrid grouper germplasm identification method. Background technique [0002] Grouper belongs to the grouper subfamily Esteridae of Perciformes. There are more than 100 species named in the world, and about 40 species in my country. Grouper is large in size, rich in nutrition, delicious in meat, and has high economic value. It is one of the important cultured fish in coastal areas of my country. However, grouper has the characteristics of slow growth, late maturity, and existence reversal. In addition, overfishing in recent years has led to a sharp reduction in the number of natural fish resources. However, in recent years, the offspring of artificially propagated grouper have had germplasm degradation phenomena such as individual size reduction and disease resistance weakening. Hybridization provides a new research direction to solve this problem. Because hybridization i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 张勇王燕张海发李水生黄文刘琼瑜蒙子宁刘晓春林浩然
Owner 广东大麟洋海洋生物有限公司
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