Table 1.
Ingredients and composition of TMR administered to each cow of control and experimental group
| Items | Concentrations |
|---|---|
| Ingredients of TMR | |
| Corn silage (%) | 23.5 |
| First cut, alfalfa hay (%) | 5 |
| Corn meal (%) | 3.6 |
| Soybean, meal (%) | 3.0 |
| Fine bran (%) | 3.5 |
| Barley, meal (%) | 1.8 |
| CaCO3 (%) | 0.2 |
| Vitamins and minerals (%) | 0.5 |
| kg of dry matter/head/d | 22.61 |
| Chemical composition of TMR | |
| Dry matter (%) | 56.66 |
| Crude protein1) (%) | 15.33 |
| Ether extract1) (%) | 2.96 |
| Ash1) (%) | 5.29 |
| Neutral detergent fiber1) (%) | 32.65 |
| Acid detergent fiber1) (%) | 20.15 |
| Starch1) (%) | 26.91 |
| Zinc (mg/head/d)1) | 39.1 (+59.6)* |
TMR, total mixed ration.
1)
On a DM basis.
*
In brackets, the amount of zinc added to the diet of the experimental group.