Table 3. Nutrient intake and growth performance as influenced by feeding pasteurized waste milk (WM) and a blend of WM with milk replacer powder (WM+MR) or transition milk (WM+TM) as liquid feeds to cold-stressed newborn Holstein calves (n = 17 per treatment).
Item2 | Treatments (T) | SEM | Contrasts1 | Fixed effects | ||||
---|---|---|---|---|---|---|---|---|
WM | WM+MR | WM+TM | C1 | C2 | Period (P) | T × P | ||
SI, g/d | 1640.4 | 1668.0 | 1558.1 | 28.359 | 0.430 | 0.006 | 0.001 | 0.937 |
SI_BW, % | 1.68 | 1.67 | 1.51 | 0.032 | 0.018 | 0.001 | 0.001 | 0.842 |
DMI, g/d | 1984.8 | 2139.0 | 2028.6 | 28.411 | 0.004 | 0.006 | 0.001 | 0.962 |
DMI_BW, % | 2.31 | 2.51 | 2.34 | 0.033 | 0.003 | 0.001 | 0.001 | 0.060 |
CPI, g/d | 393.8 | 424.2 | 445.6 | 5.430 | 0.001 | 0.005 | 0.001 | 0.001 |
CFI, g/d | 137.8 | 162.6 | 169.7 | 0.974 | 0.001 | 0.001 | 0.001 | 0.001 |
MEI, Mcal/d | 6.67 | 7.35 | 7.14 | 0.086 | 0.001 | 0.075 | 0.001 | 0.345 |
Average BW, kg | 79.19 | 80.29 | 80.79 | 0.530 | 0.037 | 0.502 | 0.001 | 0.999 |
ADG, kg/d | 0.93 | 1.01 | 0.99 | 0.016 | 0.001 | 0.344 | 0.001 | 0.026 |
FE, kg/kg | 0.62 | 0.51 | 0.57 | 0.013 | 0.001 | 0.003 | 0.001 | 0.001 |
ADG_ME, kg/Mcal | 0.16 | 0.13 | 0.14 | 0.003 | 0.001 | 0.064 | 0.001 | 0.001 |
1Contrasts: C1 = WM vs. the average of WM+TM and WM+MR; C2 = WM+TM vs. WM+MR.
2Starter intake (SI); Starter intake % of initial body weight (SI_BW); Dry matter intake (DMI); Dry matter intake % of initial body weight (DMI_BW); Crude protein intake (CPI); Crude fat intake (CFI); Metabolizable energy intake (MEI); Average body weight (Average BW); Average daily gain (ADG); Feed efficiency (FE; kg of ADG/kg of DMI); and Average daily gain in the function of metabolizable energy intake (ADG_ME).