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Relationship between the average hen percentage and the feather cover score.
| Item | Correlation Coefficient (r) | P value |
|---|---|---|
| Indoor pen | −0.880 | 0.050 |
| Covered shed | −0.277 | 0.081 |
| Outdoor area | 0.944 | 0.228 |
| Continuous lighting, outdoor area | 0.223 | 0.314 |
| Intermittent lighting, outdoor area | 0.811 | 0.014 |
