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Results for the differential PAR in the three data sets studied, which is the PAR due to a factor in the population unexposed to all previous risks
| Period | Differential PAR (%) | ||
|---|---|---|---|
| Data set 1 | Data set 2 | Data set 3 | |
| Lactation | — | 4.3 | 4.5 |
| Nursery | 1.7 | 5.1 | 3.7 |
| Growing–fattening | 1.5 | 3.1 | 2.8 |
The lactation period comprises from 0 to 21 d (DS3) or/and 28 d (DS2); nursery comprises from 21/28 to 63 d; and growing period comprises from 64 to 83 d.
