Item | Fresh whole-crop corn | SEM | P value | |
---|---|---|---|---|
Milk stage | Dough stage | |||
Nutritional parameters | Â | Â | ||
 DM % | 29.74 | 37.52 | 1.77 |  < 0.05 |
 CP % | 7.86 | 7.65 | 0.06 |  < 0.05 |
 Starch % | 30.24 | 33.53 | 0.80 |  < 0.05 |
 NDF % | 43.62 | 42.25 | 0.51 | 0.21 |
 ADF % | 23.83 | 22.99 | 0.69 | 0.60 |
Fermentation parameters | Â | Â | ||
 pH | 4.55 | 4.39 | 0.05 | 0.08 |
 Lactic acid % | 0.36 | 0.67 | 0.07 |  < 0.05 |
 Acetic acid % | 0.40 | 0.37 | 0.05 | 0.77 |
 Propionic acid % |  < 0.03 |  < 0.03 | / | / |
 Butyric acid % |  < 0.03 |  < 0.03 | / | / |
 NH3–N % | 0.31 ± 0.15 | 0.31 ± 0.02 | 0.05 | 0.98 |
Mycotoxins | Â | Â | ||
 DON (mg/kg) | 0.40 | 2.27 | 0.43 |  < 0.05 |
 AFB1 (μg/kg) | 1.29 | 1.05 | 0.12 | 0.36 |
 ZEN (μg/kg) |  < 50 |  < 50 | / | / |