An unfermented green layer of forage is seen at the middle parts after 6 months. It is cold, does not smell bad and pH is only silghtly higher than fermented parts. Toxin profile is safe, but intake potential severly lower.
An excelent example of hetreogenity at the uper most layer of a compost. Lack of movement and different sort of microorganisms would be expected.
interesting point. other chemical compounds of silage should be scrutiny. Also, unsuitable environmental conditions for the preservation of forage.
Interesting! One possible explanation can be related to a greater speed of fermentibility for up and down layer of this part. Therefore, the fast fermentation in that two layer drop pH soon and did not let continuing fermentation in this layer. Then non-stable and fermentable fraction in this part converted to components that are not good for nutrition and drop the intake by the cows. Checking the history of filling of this silo may give some evidences for the origin of this layer and possible explanations.
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