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Baseline characteristics of lactating sows at each lactation cycle1
| Characteristic | L2, n = 8 | L3, n = 7 |
| Age at experiment start, y | 2.1 ± 0.3 | 2.5 ± 0.3 |
| Parities, n | 3.5 ± 0.5 | 4.4 ± 0.5 |
| Offspring, n | 12.3 ± 3.6 | 13.9 ± 5.2 |
| Time of lactation,2d | 9.3 ± 1.8 | 13.6 ± 1.9* |
Data are means ± SD. *Different from L2, < 0.05 (paired t test).
n = 7 for L2 and L3.
