Table 3.
Chemical composition and descriptive statistics of the experimental diets and treatments for lactating dairy cows fed with exogenous alpha-amylase preparations
| Item | N1 | Mean | Std | Min | Max | Median |
|---|---|---|---|---|---|---|
| DM(% of as fed) | 26 | 56.2 | 6.2 | 44.8 | 71.6 | 54.5 |
| CP(% of DM) | 32 | 16.3 | 1.1 | 13.9 | 18.8 | 16.3 |
| NDF(% of DM) | 32 | 33.8 | 3.8 | 28.1 | 43.4 | 34.1 |
| ADF(% of DM) | 17 | 19.2 | 2.3 | 15.6 | 23.5 | 18.6 |
| Starch(% of DM) | 32 | 24.6 | 4.6 | 15.5 | 32.2 | 25.5 |
| AMA2 dose, KNU/ kg DM | 32 | 256.4 | 256.1 | 0 | 732 | 240 |
| DIM3 (d) | 21 | 93.6 | 54.1 | 1 | 181 | 80 |
| BW4 (kg) | 32 | 643.7 | 66.2 | 539 | 733 | 663 |
Total number of treatments means (control and AMA treatments).
Exogenous alpha-amylase (kilo novo unit per kg of dry matter).
Days in milk.
Body weight.