Nociception in Chicken Embryos, Part III : Analysis of Movements before and after Application of a Noxious Stimulus
Many potentially noxious interventions are performed on chicken embryos in research and in the poultry industry. It is therefore essential and in the interest of animal welfare to be able to precisely define the point at which a chicken embryo is capable of nociception in ovo. The present part III of a comprehensive study examined the movements of developing chicken embryos with the aim of identifying behavioral responses to a noxious stimulus. For this purpose, a noxious mechanical stimulus and a control stimulus were applied in a randomized order. The recorded movements of the embryos were evaluated using the markerless pose estimation software DeepLabCut and manual observations. After the application of the mechanical stimulus, a significant increase in beak movement was identified in 15- to 18-day-old embryos. In younger embryos, no behavioral changes related to the noxious stimulus were observed. The presented results indicate that noxious mechanical stimuli at the beak base evoke a nocifensive reaction in chicken embryos starting at embryonic day 15.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:13 |
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| Enthalten in: |
Animals : an open access journal from MDPI - 13(2023), 18 vom: 08. Sept. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Süß, Stephanie C [VerfasserIn] |
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| Links: |
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| Themen: |
Behavior |
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| Anmerkungen: |
Date Revised 03.10.2023 published: Electronic Citation Status Publisher |
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| doi: |
10.3390/ani13182859 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Many potentially noxious interventions are performed on chicken embryos in research and in the poultry industry. It is therefore essential and in the interest of animal welfare to be able to precisely define the point at which a chicken embryo is capable of nociception in ovo. The present part III of a comprehensive study examined the movements of developing chicken embryos with the aim of identifying behavioral responses to a noxious stimulus. For this purpose, a noxious mechanical stimulus and a control stimulus were applied in a randomized order. The recorded movements of the embryos were evaluated using the markerless pose estimation software DeepLabCut and manual observations. After the application of the mechanical stimulus, a significant increase in beak movement was identified in 15- to 18-day-old embryos. In younger embryos, no behavioral changes related to the noxious stimulus were observed. The presented results indicate that noxious mechanical stimuli at the beak base evoke a nocifensive reaction in chicken embryos starting at embryonic day 15 | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Gallus gallus domesticus | |
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| 700 | 1 | |a Saller, Anna M |e verfasserin |4 aut | |
| 700 | 1 | |a Weiss, Larissa |e verfasserin |4 aut | |
| 700 | 1 | |a Reiser, Judith |e verfasserin |4 aut | |
| 700 | 1 | |a Ondracek, Janie M |e verfasserin |4 aut | |
| 700 | 1 | |a Zablotski, Yury |e verfasserin |4 aut | |
| 700 | 1 | |a Kollmansperger, Sandra |e verfasserin |4 aut | |
| 700 | 1 | |a Anders, Malte |e verfasserin |4 aut | |
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| 700 | 1 | |a Schusser, Benjamin |e verfasserin |4 aut | |
| 700 | 1 | |a Fenzl, Thomas |e verfasserin |4 aut | |
| 700 | 1 | |a Baumgartner, Christine |e verfasserin |4 aut | |
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