Table 1 Number of records, number of sows, mean standard deviation (SD), minimum (Min), and maximum (Max) of the traits investigated
From: Analysis of the causal structure of traits involved in sow lactation feed efficiency
Trait | Abbreviation | Records | Sows | Mean | SD | Min | Max |
|---|---|---|---|---|---|---|---|
Daily lactation feed intake | dLFI (kg/day) | 1230 | 540 | 4.87 | 1.08 | 1.03 | 8.39 |
Daily sow weight balance | dSWB (kg/day) | 1307 | 574 | − 0.49 | 0.69 | − 2.72 | 1.82 |
Daily litter weight gain | dLWG (kg/day) | 767 | 440 | 2.36 | 0.52 | 0.70 | 4.35 |
Daily back fat thickness balance | dBFTB (mm/day) | 718 | 398 | − 1.49 | 0.96 | − 4.68 | 1.35 |
Sow metabolic body weight | SMBW (kg0.75) | 1307 | 574 | 60.58 | 5.77 | 42.77 | 79.14 |