Method for discriminating unfertilized eggs before incubation on basis of visible near infrared spectrum

A discrimination method and unfertilized technology, applied in the field of discrimination of unfertilized poultry eggs before hatching, can solve problems such as unsolvable discrimination of unfertilized poultry eggs

Inactive Publication Date: 2018-07-24
CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The method disclosed in the aforementioned Chinese patent document 105973816A cannot solve the problem of identifying unfertilized poultry eggs before hatching
Therefore, if the unfertilized eggs before hatching are judged with high accuracy, the above method will be powerless

Method used

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  • Method for discriminating unfertilized eggs before incubation on basis of visible near infrared spectrum
  • Method for discriminating unfertilized eggs before incubation on basis of visible near infrared spectrum
  • Method for discriminating unfertilized eggs before incubation on basis of visible near infrared spectrum

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Experimental program
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Effect test

Embodiment 1

[0040] Embodiment 1, unfertilized duck egg detection device before hatching based on visible near-infrared spectrum

[0041] 1. Detection device for unfertilized duck eggs before hatching based on visible-near-infrared spectroscopy

[0042] Such as figure 2 As shown, the non-fertilized duck egg detection device before hatching based on visible near-infrared spectrum in this embodiment is mainly composed of detection dark box 3, stage 6, lifting platform 5, light source 2, temperature control 7 and other parts:

[0043]The dark box 3 is composed of an aluminum profile bracket sprayed with matte paint and a black aluminum-plastic panel shell. It is a closed light-proof box, which mainly provides a dark room environment for detection and prevents the interference of external light;

[0044] The stage 6 is located inside the dark box and is made of an aluminum plate and a light-shielding sponge, and is mainly used for placing duck eggs to be detected; an adjustable circular hole...

Embodiment 2

[0060] Embodiment 2, method for discriminating unfertilized duck eggs before hatching based on visible near-infrared spectrum

[0061] 1. Sample preparation and spectral information collection of samples to be tested

[0062] 1.1 Sample preparation

[0063] In the experiment, 950 duck eggs of the same species, the same storage time after laying eggs, the same storage environment, and no water or chemical cleaning were taken as experimental samples.

[0064] 1.2 Collection of sample spectral information

[0065] The duck egg spectrum collection method before hatching adopts the transmission type. Before starting to collect the spectrum, first use multiple duck eggs to adjust the distance of the optical fiber probe. Upward, placed approximately vertically, after collecting once, rotate 60°, collect spectral information after standing still, rotate 60° each time, collect spectral information after standing still, and finally calculate the average value of three spectral informa...

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Abstract

The invention provides a method for discriminating unfertilized eggs before incubation on the basis of a visible near infrared spectrum. The method comprises the following steps: (1) preparing a to-be-detected sample and acquiring spectral information of the to-be-detected sample; (2) selecting a representative modeling sample by a mathematical analysis method; (3) determining a discrimination model of the unfertilized eggs before optimal incubation; and (4) discriminating the to-be-detected eggs by the discrimination model of the unfertilized eggs before optimal incubation. The invention alsoprovides a device for detecting the unfertilized eggs before incubation on the basis of the visible near infrared spectrum so as to implement the above method. The experiment proves that the accuraterate of discriminating an unknown sample by the optimal discrimination model which is determined by the method for discriminating the unfertilized eggs before incubation based on the visible near infrared spectrum, which is provided by the invention, is 94.77 percent.

Description

technical field [0001] The invention relates to the field of optics and agricultural product detection, in particular to a method for distinguishing unfertilized poultry eggs before hatching based on visible and near-infrared spectra. Background technique [0002] The hatching rate of poultry eggs directly affects the economic benefits of the farm, and the hatching rate of poultry eggs is closely related to the fertilization rate of poultry eggs and the incubation environment. Among them, the fertilization rate of poultry eggs is the primary factor in determining the hatching rate. In China, statistics show that in the aquaculture industry, unfertilized poultry eggs account for about 10% to 15% of hatched eggs, which means that a considerable part of poultry eggs fail to hatch, causing huge economic losses to enterprises. In industrial production, the routine process of poultry egg hatching is that it must be cleaned and disinfected before hatching. The unfertilized poultry...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/359
CPCG01N21/359
Inventor 汤修映董俊董晓光申志雄李政轩
Owner CHINA AGRI UNIV
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