Identifying Initiation and Aging of Hens During the Laying Period by Raman Analysis of Beaks
Raman spectroscopy has been widely applied in the analysis of biological tissues. In this study, beak cuticle was studied to investigate its compositional and secondary structural changes during the laying period and aging of laying hens. The analysis revealed markedly increased contents of amide I...
| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
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Japan Poultry Science Association
2019-07-01
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| Series: | The Journal of Poultry Science |
| Subjects: | |
| Online Access: | https://www.jstage.jst.go.jp/article/jpsa/56/3/56_0180094/_html/-char/en |
| _version_ | 1797816990452154368 |
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| author | Shujie Wang Mohan Liu Da Tian Mu Su Qiao Li Zhen Li Zhenlei Zhou |
| author_facet | Shujie Wang Mohan Liu Da Tian Mu Su Qiao Li Zhen Li Zhenlei Zhou |
| author_sort | Shujie Wang |
| collection | DOAJ |
| description | Raman spectroscopy has been widely applied in the analysis of biological tissues. In this study, beak cuticle was studied to investigate its compositional and secondary structural changes during the laying period and aging of laying hens. The analysis revealed markedly increased contents of amide I and amino acids (phenylalanine and tyrosine) within the beak during the intense laying period from 17 to 20 weeks. In addition, α-helical protein was also gradually synthesized in this period. The relative area ratio of 1003/1448 cm−1 (assigned to the vibrations of phenylalanine and organic C-H respectively) was confirmed as an excellent indicator for estimating the start of the laying period. This ratio increased from 0.36 to 0.42 from 17 to 20 weeks. The Raman peak at 1156 cm−1 was assigned to carotenoids in the beak. The intensities of the 1156 cm−1 peak significantly decreased during aging. The area ratio of 1156/1448 cm−1 was successfully applied to estimate ages (still within the laying period) of laying hens. This study shows the potential of using Raman spectroscopy to quantify ages and laying period of birds. |
| first_indexed | 2024-03-13T08:46:44Z |
| format | Article |
| id | doaj.art-196d2d9e259a4a4d86fcc8761978847e |
| institution | Directory Open Access Journal |
| issn | 1346-7395 1349-0486 |
| language | English |
| last_indexed | 2024-03-13T08:46:44Z |
| publishDate | 2019-07-01 |
| publisher | Japan Poultry Science Association |
| record_format | Article |
| series | The Journal of Poultry Science |
| spelling | doaj.art-196d2d9e259a4a4d86fcc8761978847e2023-05-30T01:29:31ZengJapan Poultry Science AssociationThe Journal of Poultry Science1346-73951349-04862019-07-0156315916510.2141/jpsa.0180094jpsaIdentifying Initiation and Aging of Hens During the Laying Period by Raman Analysis of BeaksShujie Wang0Mohan Liu1Da Tian2Mu Su3Qiao Li4Zhen Li5Zhenlei Zhou6College of Veterinary Medicine, Nanjing Agricultural UniversityCollege of Veterinary Medicine, Nanjing Agricultural UniversityCollege of Resources and Environmental Sciences, Nanjing Agricultural UniversityCollege of Resources and Environmental Sciences, Nanjing Agricultural UniversityCollege of Veterinary Medicine, Nanjing Agricultural UniversityCollege of Resources and Environmental Sciences, Nanjing Agricultural UniversityCollege of Veterinary Medicine, Nanjing Agricultural UniversityRaman spectroscopy has been widely applied in the analysis of biological tissues. In this study, beak cuticle was studied to investigate its compositional and secondary structural changes during the laying period and aging of laying hens. The analysis revealed markedly increased contents of amide I and amino acids (phenylalanine and tyrosine) within the beak during the intense laying period from 17 to 20 weeks. In addition, α-helical protein was also gradually synthesized in this period. The relative area ratio of 1003/1448 cm−1 (assigned to the vibrations of phenylalanine and organic C-H respectively) was confirmed as an excellent indicator for estimating the start of the laying period. This ratio increased from 0.36 to 0.42 from 17 to 20 weeks. The Raman peak at 1156 cm−1 was assigned to carotenoids in the beak. The intensities of the 1156 cm−1 peak significantly decreased during aging. The area ratio of 1156/1448 cm−1 was successfully applied to estimate ages (still within the laying period) of laying hens. This study shows the potential of using Raman spectroscopy to quantify ages and laying period of birds.https://www.jstage.jst.go.jp/article/jpsa/56/3/56_0180094/_html/-char/enage identificationbeakcuticlelaying henslaying period |
| spellingShingle | Shujie Wang Mohan Liu Da Tian Mu Su Qiao Li Zhen Li Zhenlei Zhou Identifying Initiation and Aging of Hens During the Laying Period by Raman Analysis of Beaks The Journal of Poultry Science age identification beak cuticle laying hens laying period |
| title | Identifying Initiation and Aging of Hens During the Laying Period by Raman Analysis of Beaks |
| title_full | Identifying Initiation and Aging of Hens During the Laying Period by Raman Analysis of Beaks |
| title_fullStr | Identifying Initiation and Aging of Hens During the Laying Period by Raman Analysis of Beaks |
| title_full_unstemmed | Identifying Initiation and Aging of Hens During the Laying Period by Raman Analysis of Beaks |
| title_short | Identifying Initiation and Aging of Hens During the Laying Period by Raman Analysis of Beaks |
| title_sort | identifying initiation and aging of hens during the laying period by raman analysis of beaks |
| topic | age identification beak cuticle laying hens laying period |
| url | https://www.jstage.jst.go.jp/article/jpsa/56/3/56_0180094/_html/-char/en |
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