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California Polytechnic State University, San Luis Obispo

Dairy Science

Agronomy and Crop Sciences

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Effects Of Covering System, Sealing Time, And Packing On Fermentation, Nutritional Quality, And Organic Matter Loss Of Corn Silage In A Drive-Over Pile, Katie Rose Nutcher Mar 2014

Effects Of Covering System, Sealing Time, And Packing On Fermentation, Nutritional Quality, And Organic Matter Loss Of Corn Silage In A Drive-Over Pile, Katie Rose Nutcher

Dairy Science

This project involved an experiment conducted using a 550-ton capacity drive-over pile of whole-plant corn silage. The main effects compared were: packing the final forage surface with a loader or crawler, delay or immediate sealing, and covering with standard plastic or an oxygen barrier film.

Numerous studies have shown that the absence of oxygen in silage stored in a bunker silo or pile is crucial for proper fermentation and to ensure the highest quality silage at feed out. When oxygen is allowed to permeate through the covering material, it leads to visible spoilage. This trial showed that the oxygen barrier ...