Table 1.
Growth performance of pigs differing in early-life iron status 1.
| Measure | Diet | Pooled | p-Value 2 | |
|---|---|---|---|---|
| CONT | ID | SEM | ||
| PND 3–33 | ||||
| ADG, g/day | 403 | 190 | 12.3 | <0.001 |
| ADFI, g liquid/day | 1739 | 935 | 50.6 | <0.001 |
| G/F, g BW/g solids | 1090 | 950 | 26.5 | <0.001 |
| PND 3–61 | ||||
| ADG, g/day | 476 | 329 | 15.0 | <0.001 |
| ADFI, g solids/day | 1128 | 669 | 58.9 | <0.001 |
| G/F, g BW/g solids | 1690 | 1786 | 58.1 | 0.150 |
| PND 33–61 | ||||
| ADG, g/day | 544 | 470 | 22.0 | 0.030 |
| ADFI, g solids/day | 912 | 733 | 52.0 | 0.003 |
| G/F, g BW/g solids | 599 | 646 | 32.3 | 0.066 |
1 Data presented as mean and pooled standard error of the means (SEM) for each dietary treatment group. Abbreviations: CONT, control diet; ID, iron deficient diet; SEM, standard error of the mean; PND, postnatal day; BW, body weight; ADG, average daily gain; ADFI, average daily feed intake; G/F, gain-to-feed ratio or efficiency of body weight gain. Calculations reflect a reconstitution rate of 20% solids for milk replacer treatments administered from PND 3–33 (phase 1 of the study). 2 p-Values for the main effect of early-life dietary iron concentration.