They are during storage in silage troughs without access to air stable silage, their nutrient content and metabolite content are almost does not change for a very long time, even several months. However, once oxygen gets to the silage, degradation processes start to take place and the silage begins to change for the worse. Management measures during the corn harvest they can significantly affect not only the quality of maize silage, but also losses dry matter and nutrients at the time of its feeding to animals. If you want to save, we recommend a differentiated approach according to when the silage is to be made fed to animals.