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Spearman’s rank correlation coefficients (ρ) between behavior variables in consecutive periods of 2 weeks (Pi), from 10–24 weeks in maternal Duroc pigs
| Behavior variables | ρ(P1,P2) | ρ(P2,P3) | ρ(P3,P4) | ρ(P4,P5) | ρ(P5,P6) | ρ(P6,P7) |
|---|---|---|---|---|---|---|
| Feeding rate (g/min) | 0.67 | 0.78 | 0.80 | 0.84 | 0.82 | 0.80 |
| Feeding frequency (visits/day) | 0.71 | 0.80 | 0.83 | 0.86 | 0.82 | 0.85 |
| Occupation time (min/day) | 0.75 | 0.76 | 0.81 | 0.82 | 0.83 | 0.82 |
| Time between visits (h) | 0.72 | 0.80 | 0.83 | 0.85 | 0.80 | 0.85 |
