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Respiration frequency-based live fish muscle quality prediction method

A technology of breathing frequency and muscle quality, which is applied in the field of muscle quality prediction of aquatic products, can solve the problems of long time-consuming, heavy model workload, expensive equipment cost, etc., and achieve the effect of simple detection conditions and short operation time

Pending Publication Date: 2022-03-01
FARM PROD PROCESSING & NUCLEAR AGRI TECH INST HUBEI ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the traditional fish muscle quality detection methods (such as TVB-N, K value and other physical and chemical indicators detection, microbial detection) all have problems such as cumbersome pre-processing and long time consumption, which cannot be adopted.
Some emerging near-infrared and hyperspectral technologies, etc., can realize the prediction of fish muscle quality, but there are problems such as expensive equipment costs, heavy workload in building models, and poor versatility.
And the above two methods also have the problem of needing professionals

Method used

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  • Respiration frequency-based live fish muscle quality prediction method
  • Respiration frequency-based live fish muscle quality prediction method
  • Respiration frequency-based live fish muscle quality prediction method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A method for predicting the muscle quality of live fish based on respiratory rate, comprising the steps of:

[0026] 1) Select healthy fresh and live rainbow trout 60 minutes away from the pond, with no damage to the body surface and no disease, as the raw material fish;

[0027] 2) 36 raw fishes with a body weight of 1.91 ± 0.25Kg of the same species are selected in step 1) and are quickly put into a water tank equipped with water (the water is taken from the breeding pond, and the water quality condition in the water tank should be the same as that of the breeding pond. Keep consistent), where the fish-water ratio is 1:9 (W / V); the specification of the water tank is 360cm*150cm*95cm; the water temperature is 19.2±2°C (the ambient temperature is 17.2°C-21.2°C), and the dissolved oxygen is greater than 6mg / L, the pH is 7.25±0.1; every 5 minutes, take 6 raw fish to count the respiratory rate once, and calculate the average value to obtain the respiratory rate; A total ...

Embodiment 2

[0045]A method for predicting the muscle quality of live fish based on respiratory rate, comprising the steps of:

[0046] 1) Select healthy fresh grass carp that is 59 minutes away from the pond and has no damage to the body surface and no disease as the raw material fish;

[0047] 2) 36 raw fishes of the same species with a body weight of 2.02 ± 0.25kg are quickly put into a water tank equipped with water in step 1) (the water is taken from the culture pond, and the water quality conditions in the water tank should be the same as those in the culture pond. Keep consistent), where the fish-water ratio is 1:9 (W / V); the specification of the water tank is 360cm*150cm*95cm; the water temperature is 20.7±2°C (the ambient temperature is 18.7°C-22.7°C), and the dissolved oxygen is greater than 5mg / L, the pH is 7.65±0.1; at intervals of 5 minutes, take 6 raw fishes to count the respiratory frequency once, and calculate the average value to obtain the respiratory frequency; A total...

Embodiment 3

[0065] A method for predicting the muscle quality of live fish based on respiratory rate, comprising the steps of:

[0066] 1) Select healthy fresh silver carp that is 43 minutes away from the pond and has no damage to the body surface and no disease as the raw material fish;

[0067] 2) In step 1), 36 raw fishes with a body weight of 2.2 ± 0.25 kg of the same species are quickly put into a water tank equipped with water (the water is taken from the culture pond, and the water quality conditions in the water tank should be the same as those in the culture pond. Keep consistent), where the fish-water ratio is 1:9 (W / V); the specification of the water tank is 360cm*150cm*95cm; the water temperature is 21.2±2°C (the ambient temperature is 19.2°C-23.2°C), and the dissolved oxygen is greater than 6mg / L, the pH is 7.65±0.1; at intervals of 5 minutes, take 6 raw fishes to count the respiratory frequency once, and calculate the average value to obtain the respiratory frequency; A to...

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Abstract

The invention belongs to the technical field of aquatic product muscle quality prediction. A live fish muscle quality prediction method based on respiratory rate is characterized by comprising the following steps: 1) selecting healthy fresh live fish as raw material fish; 2) the 36 raw material fishes of the same type selected in the step 1) are subjected to respiratory rate counting, an average value is calculated, and the respiratory rate is obtained; (3) narcotizing the raw material fish subjected to respiratory rate counting in the step (2) by using 50mg / L MS-222 until the raw material fish is coma, measuring the content of malondialdehyde, and calculating an average value to obtain the content of malondialdehyde; 4) performing linear fitting on the respiratory rate obtained in the step 2) and the malondialdehyde content obtained in the step 3) to obtain a formula y = ax + b; 5) counting the respiratory rate of the to-be-detected fish, and substituting the respiratory rate into a formula y = ax + b for calculation; and 6) judging the obtained y value, the larger the y value is, the poorer the muscle quality of the fish is, and when y is greater than or equal to 2, the muscle quality of the live fish is considered to be poorer. The method is short in operation time and simple in detection condition.

Description

technical field [0001] The invention belongs to the technical field of muscle quality prediction of aquatic products, and in particular relates to a method for predicting muscle quality of live fish based on breathing frequency. Background technique [0002] According to the "Summary of National Fishery Statistics in 2020", the production of freshwater fish farming is 25,863,823 tons, an increase of 1.51% compared to 2019. Fish has the characteristics of excellent protein, low fat content, and rich minerals. It is a source of high-quality nutrients and is widely favored by consumers. Freshwater fish are mainly sold fresh, and live fish with different muscle qualities are greatly affected by the transportation distance after leaving the pond, the time of sale, and the taste of consumers. [0003] The most important thing for the detection method suitable for live fish muscle quality is immediacy, and the shorter the detection time, the better. However, the traditional fish ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/12
CPCG01N33/12
Inventor 汪兰石柳丁安子吴文锦熊光权吴艺文乔宇李新王俊赵曼曼尤孝鹏
Owner FARM PROD PROCESSING & NUCLEAR AGRI TECH INST HUBEI ACAD OF AGRI SCI
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