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This table provides an overview outlining the various objectives evaluated at various time points and hen age.
| Experimental week | Week 1 | Week 6 | Week 12 | ||
|---|---|---|---|---|---|
| Age of the hens, weeks | 50 | 56 | 62 | ||
| Parameters evaluated | performance | range use | performance | range use | egg quality |
| Assessment of objective | part A | part C | part A | part C | part B |
| Numbers of hens used | 160 | 120 | 160 | 120 | 70 |
