Spatial Cognition and Range Use in Free-Range Laying Hens
Abstract
:Simple Summary
Abstract
1. Introduction
2. Materials and Methods
2.1. Ethical Statement
2.2. Experiment 1: T-Maze Learning in Adult Hens
2.2.1. Animals and Housing
2.2.2. T-Maze Habituation
2.2.3. T-Maze Learning
2.2.4. Data and Statistical Analyses
2.3. Experiment 2: Early Enrichment and T-Maze Learning in Pullets
2.3.1. Chick Housing and Early Enrichment
2.3.2. Pullet and Layer Housing
2.3.3. Test Subjects and T-Maze Habituation
2.3.4. T-Maze Learning
2.3.5. Brain Histology
2.3.6. Telencephalon and Hippocampal Formation Size Measurements
2.3.7. Radio-Frequency Identification of Range Use
2.3.8. Data and Statistical Analyses
3. Results
3.1. Experiment 1: T-Maze Learning in Adult Hens
3.2. Experiment 2: Early Enrichment and T-Maze Learning in Pullets
4. Discussion
5. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Campbell, D.L.M.; Talk, A.C.; Loh, Z.A.; Dyall, T.R.; Lee, C. Spatial Cognition and Range Use in Free-Range Laying Hens. Animals 2018, 8, 26. https://doi.org/10.3390/ani8020026
Campbell DLM, Talk AC, Loh ZA, Dyall TR, Lee C. Spatial Cognition and Range Use in Free-Range Laying Hens. Animals. 2018; 8(2):26. https://doi.org/10.3390/ani8020026
Chicago/Turabian StyleCampbell, Dana L.M., Andrew C. Talk, Ziyang A. Loh, Tim R. Dyall, and Caroline Lee. 2018. "Spatial Cognition and Range Use in Free-Range Laying Hens" Animals 8, no. 2: 26. https://doi.org/10.3390/ani8020026