Table 1.
Diet compositions and dietary and nutrient intake during the intervention period from 0 to 10 mo of age1
| EHN | RG | P-value | |
|---|---|---|---|
| Composition of diet | |||
| Milk replacer, 0 to 3 mo of age | |||
| Dry matter, % | 97.0 | 97.0 | |
| Metabolizable energy, Mcal/kg | 4.6 | 4.6 | |
| Crude protein, % | 26.0 | 26.0 | |
| Crude fat, % | 25.5 | 25.5 | |
| Dry calf starter, 0 to 3 mo of age | |||
| Dry matter, % | 87.0 | 87.0 | |
| Metabolizable energy, Mcal/kg | 3.2 | 3.2 | |
| Crude protein, % | 25.6 | 25.6 | |
| Crude fat, % | 4.3 | 4.3 | |
| Concentrate of diet, 4 to 10 mo of age | |||
| Dry matter, % | 87.3 | 87.3 | |
| Metabolizable energy, Mcal/kg | 2.7 | 2.7 | |
| Crude protein, % | 16.0 | 16.0 | |
| Crude fat, % | 2.0 | 2.0 | |
| Dietary intake (fresh matter, kg/head), 0 to 3 mo of age | |||
| Replacer milk | 101.5 ± 5.4 | 42.4 ± 0.3 | <0.01 |
| Dry calf starter | 23.8 ± 11.2 | 42.7 ± 9.0 | <0.01 |
| Roughage | 24.9 ± 5.2 | 32.4 ± 15.9 | |
| Total | 150.1 ± 19.2 | 117.6 ± 24.5 | |
| Nutritional intake (fresh matter, kg/head), 0 to 3 mo of age | |||
| Metabolizable energy, Mcal/kg | 5.8 ± 0.3 | 3.6 ± 0.2 | <0.01 |
| Crude protein | 32.8 ± 3.4 | 21.2 ± 2.6 | <0.01 |
| Crude fat | 26.8 ± 1.6 | 12.1 ± 0.5 | <0.01 |
| Dietary intake (fresh matter, kg/head), 4 to 10 mo of age | |||
| Concentrate | 1175.7 ± 110.7 | ||
| Roughage | 437.5 ± 13.7 | 923.4 ± 61.4 | <0.01 |
| Nutritient intake (fresh matter, kg/head), 4 to 10 mo of age | |||
| Metabolizable energy, Mcal/kg | 43.6 ± 3.0 | 16.8 ± 1.0 | <0.01 |
| Crude protein | 224.9 ± 17 | 77.0 ± 6.5 | <0.01 |
| Crude fat | 31.4 ± 2.1 | 16.2 ± 1.4 | <0.01 |
1EHN, metabolic imprinting group, n = 12; RG, roughage group, n = 11. Values are means ± SD.