Study on the Influence of Different Pretreatment Methods on Gender Determination of Multiposition

Fu ZHANG; Xia-hua CUI; Ke DING; Ya-kun ZHANG; Yong-xian WANG; Xiao-qing PAN

doi:10.3964/j.issn.1000-0593(2022)02-0434-06

Journals >Spectroscopy and Spectral Analysis >Volume 42 >Issue 2 >Page 434 > Article

Spectroscopy and Spectral Analysis
Vol. 42, Issue 2, 434 (2022)

Study on the Influence of Different Pretreatment Methods on Gender Determination of Multiposition

Fu ZHANG^{1,1; 2; 3;}, Xia-hua CUI^1,1;, Ke DING^{4,4; *;}, Ya-kun ZHANG^1,1;..., Yong-xian WANG^1,1; and Xiao-qing PAN^5,5;|Show fewer author(s)

Author Affiliations

¹1. College of Agricultural Equipment Engineering, Henan University of Science and Technology, Luoyang 471003, China

⁴4. College of Animal Science and Technology, Henan University of Science and Technology, Luoyang 471023, China

⁵5. Institute of Animal Husbandry, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China

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DOI: 10.3964/j.issn.1000-0593(2022)02-0434-06 Cite this Article

Fu ZHANG, Xia-hua CUI, Ke DING, Ya-kun ZHANG, Yong-xian WANG, Xiao-qing PAN. Study on the Influence of Different Pretreatment Methods on Gender Determination of Multiposition[J]. Spectroscopy and Spectral Analysis, 2022, 42(2): 434 Copy Citation Text

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Fig. 1. The picture of measurement position
(a): Schematic diagram of measuring position;(b): Actual measurement position picture

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Fig. 2. The picture of chicken gonad
(a): The gonad of cocks; (b): The gonad of hens

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Fig. 3. The detection system of visible/nearinfrared spectroscopy
1: Light; 2: Y-type fiber; 3: Fiber spectrometer;4: Computer; 5: USB

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Fig. 4. The average raw NIR spectra of samples
(a): Average raw NIR spectra of sock eggs;(b): Average raw NIR spectra of hen eggs

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Fig. 5. The variation accuracy of 216~312 hours' hatching

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Data Set	The number of socks	The number of hens
Training set	32	32
Test set	14	18

Table 1. Samples set division results

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ΔAccuracy/%	Position 1		Position 2		Position 3
ΔAccuracy/%	PLS-DA	LDA	PLS-DA	LDA	PLS-DA	LDA
Normalize	-3.03	15.16	-6.06	-6.06	18.19	21.22
2nd Derivative	0	6.06	27.28	15.16	12.13	6.06
SNV	9.09	27.28	3.03	-9.09	18.19	21.22
MSC	9.09	27.28	0	-9.09	18.19	21.22
Detrend	0	21.22	6.06	3.03	3.03	9.09
Spectroscopic	0	18.19	9.09	24.25	6.06	-

Table 2. The variation accuracy of different position and pretreatment method after 216 hours' hatching

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ΔAccuracy/%	Position 1		Position 2		Position 3
ΔAccuracy/%	PLS-DA	LDA	PLS-DA	LDA	PLS-DA	LDA
Normalize	21.87	40.62	-18.75	-34.37	-3.13	-3.12
2nd Derivative	-9.38	15.62	-3.13	-25.00	-15.63	0
SNV	18.75	34.37	6.25	3.13	0	3.13
MSC	18.75	34.37	6.25	3.13	0	3.13
Detrend	12.50	34.37	-12.50	-25.00	-6.25	0
Spectroscopic	9.37	25.00	-3.13	-9.37	-9.38	-12.50

Table 3. The variation accuracy of different position and pretreatment method after 240 hours' hatching

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ΔAccuracy/%	Position 1		Position 2		Position 3
ΔAccuracy/%	PLS-DA	LDA	PLS-DA	LDA	PLS-DA	LDA
Normalize	0	-3.12	-25.00	-37.50	12.50	9.38
2nd Derivative	6.25	-12.50	-6.25	-6.25	15.62	9.38
SNV	3.13	-3.12	-12.50	-31.25	15.62	12.50
MSC	3.13	-3.12	28.13	-31.25	15.62	12.50
Detrend	3.13	-3.12	-18.75	-31.25	9.37	-3.12
Spectroscopic	-3.12	-21.87	-6.25	9.37	-3.13	-

Table 4. The variation accuracy of different position and pretreatment method after 264 hours' hatching

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ΔAccuracy/%	Position 1		Position 2		Position 3
ΔAccuracy/%	PLS-DA	LDA	PLS-DA	LDA	PLS-DA	LDA
Normalize	28.13	18.75	6.25	-3.13	15.62	25.00
2nd Derivative	21.88	18.75	15.62	15.62	21.87	21.87
SNV	28.13	28.13	21.87	3.12	25.00	25.00
MSC	28.13	28.13	21.87	3.12	25.00	25.00
Detrend	25.00	25.00	34.37	43.75	12.50	28.12
Spectroscopic	18.75	21.88	37.50	34.37	21.87	28.12

Table 5. The variation accuracy of different position and pretreatment method after 288 hours' hatching

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ΔAccuracy/%	Position 1		Position 2		Position 3
ΔAccuracy/%	PLS-DA	LDA	PLS-DA	LDA	PLS-DA	LDA
Normalize	3.12	6.25	-28.12	-31.25	12.50	12.50
2nd Derivative	15.62	0	-12.50	-12.50	21.87	9.37
SNV	25.00	15.63	-21.87	-28.13	9.37	3.12
MSC	25.00	15.63	-21.87	-28.13	9.37	3.12
Detrend	15.62	15.63	-15.62	-21.88	25.00	18.75
Spectroscopic	15.62	15.63	-12.50	-21.88	18.75	-

Table 6. The variation accuracy of different position and pretreatment method after 312 hours' hatching

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