Table 4.
Items | Diet | |||
---|---|---|---|---|
Starter | Milk replacerb | |||
NPL | LPL | NPL | LPL | |
Ingredients (%) | ||||
Corn | 49.10 | 65.90 | — | — |
Soybean | 28.90 | 12.10 | — | — |
Wheat Bran | 8.00 | 8.00 | — | — |
Alfalfa | 10.00 | 10.00 | — | — |
Premixa | 4.00 | 4.00 | — | — |
Total | 100.00 | 100.00 | — | — |
Nutrient level | ||||
DM | 89.65 | 90.36 | 97.73 | 97.94 |
CP | 21.08 | 15.02 | 25.08 | 19.23 |
DE (MJ/kg DM) | 13.06 | 13.06 | 18.38 | 18.32 |
EE | 1.70 | 1.70 | 11.18 | 12.98 |
Ash | 7.40 | 6.50 | 5.29 | 4.85 |
NDF | 15.46 | 14.79 | — | — |
ADF | 7.84 | 7.47 | — | — |
Ca | 0.96 | 0.98 | 1.13 | 1.09 |
P | 0.57 | 0.51 | 0.51 | 0.48 |
aThe premix provides the following per kg of diet: Fe, 22.1 g; Mn, 9.82 g; Cu, 2.25 g; Zn, 27.0 g; Se, 0.19 g; I, 0.54 g; Co, 0.09 g; vitamin A, 3.20 g; vitamin D3, 0.80 g; vitamin E, 0.4 g.
bThe milk replacer used in this study was a patented product (application number: 02128844.5). The basic component of milk replacer include soy milk powder, milk power, whey power, gelatinized starch, CaCO3, CaHPO3, NaCl, lysine, methionine, tryptophan, threonine and other mineral and vitamin premix.
NPL, normal protein level; LPL, low protein level; DM; dry matter; CP, crude protein; DE, digestible energy; EE, ether extract; NDF, neutral detergent fiber; ADF, acid detergent fiber; Ca, calcium; P, phosphorus. –,not present or can be ignored.