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Method for discriminating acanthopagrus schlegelii, pagrosomus major and hybrid offsprings thereof based on morphological parameters

A morphological parameter, morphological-based technology, applied in fish farming, application, climate change adaptation, etc., can solve the problems of narrow temperature range, rough meat quality, poor stress resistance, etc., and achieve the effect of saving manpower and material resources and easy operation.

Active Publication Date: 2016-06-08
INST OF OCEANOLOGY & MARINE FISHERIES JIANGSU
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Problems solved by technology

Red sea bream (pagrosomus major) belongs to Perciformes (Perciformes), bream family (Sparidae), and red sea bream (Pagrosomus). Difference

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  • Method for discriminating acanthopagrus schlegelii, pagrosomus major and hybrid offsprings thereof based on morphological parameters
  • Method for discriminating acanthopagrus schlegelii, pagrosomus major and hybrid offsprings thereof based on morphological parameters

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Embodiment Construction

[0027] Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

[0028] Embodiments of the present invention relate to a method for identifying black sea bream, red sea bream and their hybrid offspring based on morphological parameters, comprising the following steps:

[0029] 1. Collect fresh samples of black sea bream selfing group, red sea bream selfing group, female red sea bream and male black sea bream hybrid group, female black sea bream and male red sea bream hybrid group, 30 individ...

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Abstract

The invention relates to a method for discriminating acanthopagrus schlegelii, pagrosomus major and hybrid offsprings thereof based on morphological parameters. The method includes the following steps that the morphological parameters of a sparidae sample are measured, wherein the morphological parameters comprise total length, body length, body thickness, eye diameter and eye posterior segment length; discriminant equations for an acanthopagrus schlegelii selfing group, a pagrosomus major selfing group, a female pagrosomus major and male acanthopagrus schlegelii hybridization group and a female acanthopagrus schlegelii and male pagrosomus major hybridization group are established; the obtained morphological parameters are substituted into the discriminant equation set to determine fish varieties. By means of the method, acanthopagrus schlegelii, pagrosomus major and hybrid offsprings thereof can be rapidly and accurately discriminated.

Description

technical field [0001] The invention relates to the technical field of fish identification, in particular to a method for identifying black sea bream and red sea bream and their hybrid offspring based on morphological parameters. Background technique [0002] Black seabream (Acanthopagrusschlegelii), also known as black seabream, belongs to the order Perciformes, family Sparidae, and the genus Acanthopagrus. It is produced along the coasts of our country, with the Yellow Sea and the Bohai Sea producing more. It has the characteristics of wide range of suitable temperature and salinity, fine meat, rich nutrition, and strong disease resistance, but it has slow growth rate, long breeding cycle, and dark body color. Red sea bream (pagrosomus major) belongs to Perciformes (Perciformes), bream family (Sparidae), and red sea bream (Pagrosomus). Difference. [0003] Genetic hybridization technology is one of the main methods for fish breed selection and germplasm improvement. Th...

Claims

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Application Information

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IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 张志伟张志勇刘海林许津沈德华贾超峰祝斐
Owner INST OF OCEANOLOGY & MARINE FISHERIES JIANGSU
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