Method for identifying quality of carassius auratus gibelio in different culture modes

A technology of breeding mode and identification method, applied in the field of identification of the quality of gibel crucian carp

Pending Publication Date: 2022-07-29
慈溪市水产技术推广中心
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  • Application Information

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Problems solved by technology

[0003] In order to solve the problem that the prior art has no identification method for the quality of gibel carp under different breeding modes, the present invention propo...

Method used

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  • Method for identifying quality of carassius auratus gibelio in different culture modes
  • Method for identifying quality of carassius auratus gibelio in different culture modes
  • Method for identifying quality of carassius auratus gibelio in different culture modes

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Experimental program
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Embodiment 1

[0026] In October 2020, 40 heterotrophic silver crucian carp cultivated products were randomly selected for each of the three breeding modes: the pond monoculture model (M1), the pond polyculture model of Penaeus vannamei (M2) and the reservoir stocking model (M3), totaling 120 fish. , to measure the morphological index. The measuring tools are: electronic digital vernier caliper with an accuracy of 0.01 mm (Guilin Guanglu Digital Measurement and Control Co., Ltd.), an electronic scale with an accuracy of 10 g (Ningbo Huasheng Technology Co., Ltd.), and a Sartorius BS223S electronic balance with an accuracy of 0.01 g (Sartorius Scientific Instrument (Beijing) Co., Ltd.).

[0027]1. M1 breeding mode Silver crucian carp summer flower seedlings are planted into the pond, the breeding time is 2 years, the stocking density is about 2500 catties / mu, and the special feed for crucian carp is fed during the period; M2 summer flower fingerlings are cultured in the pond for 1.5 years, an...

Embodiment 2

[0041] In August 2021, 20 cultivars of heterotrophic silver crucian carp were randomly selected for each of the three breeding modes: the pond monoculture mode (M1), the pond polyculture mode of Penaeus vannamei (M2) and the reservoir stocking mode (M3), totaling 60 animals. , to measure the morphological index. The measuring tools are: electronic digital vernier caliper with an accuracy of 0.01 mm (Guilin Guanglu Digital Measurement and Control Co., Ltd.), an electronic scale with an accuracy of 10 g (Ningbo Huasheng Technology Co., Ltd.), and a Sartorius BS223S electronic balance with an accuracy of 0.01 g (Sartorius Scientific Instrument (Beijing) Co., Ltd.).

[0042] 1. In M1 breeding mode, silver crucian carp fry are planted in the pond, the breeding time is 1.5 years, and the stocking density is about 3,000 jin / mu. During this period, the special feed for crucian carp is fed; M2 summer fry are cultivated in the pond for 1 year, and the stocking density is It is 300 jin / ...

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Abstract

The invention discloses a carassius auratus gibelio quality identification method in different culture modes, which comprises the following steps: firstly, obtaining a carassius auratus gibelio form index, and then judging a carassius auratus gibelio culture source according to the form index to complete carassius auratus gibelio quality identification in different culture modes. The silver crucian carp shape indexes comprise body height, head width, eye diameter, caudal peduncle length, caudal peduncle height, dorsal fin body height, eye front head length and pelvic fin spacing. Different fish culture groups and wild groups are obviously different in distinguishing difficulty, such as myxocyprinus asiaticus and pseudosciaena crocea which can be distinguished by naked eyes, however, wild and culture of prussian carp are difficult to distinguish by naked eyes due to the growth environment and fingerling reasons of the prussian carp, and in order to solve the problem, the invention provides an identification method for the first time, and the identification method is simple to operate and high in accuracy.

Description

technical field [0001] The invention belongs to the identification technology of aquatic products, in particular to a method for identification of the quality of silver crucian carp under different breeding modes. Background technique [0002] Silver crucian carp is currently one of the most popular freshwater aquaculture species in China. Its characteristics of rapid growth, strong stress resistance, rich nutrition and high economic value are favored by farmers and consumers. Scholars at home and abroad have carried out in-depth research on the nutritional requirements, growth performance, muscle nutrients, immunity and other aspects of the heterotrophic silver crucian carp. However, there are still many challenges in the actual production activities and the market, and the traditional breeding methods are gradually exposed. A series of low-quality problems, such as bloated body, fatty liver, crusted lesions on the body surface, excessive drug and heavy metal content in the...

Claims

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Application Information

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IPC IPC(8): G01B21/02G01B21/10G01B21/16G01B21/08A01K61/95
CPCG01B21/02G01B21/10G01B21/16G01B21/08A01K61/95
Inventor 陈汉春王志铮戎华南刘哲宇潘雪央
Owner 慈溪市水产技术推广中心
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