Start / Livestock and aquaculture / Cattle
See how much silage fits in the silo and for how many days it feeds the herd.
Pre-sizing and estimating tool: the results do not replace a design, calculation, or report signed by a qualified professional, nor verification against the applicable standards.
How many days the silage lasts for intakes of 2 to 6 thousand kg of MS per day; the highlighted bar is yours.
Silage days for heights of 1.5 to 3.5 m with the same intake; the point is your silo.
Drag the controls to simulate data different from what you entered (from 30% less to 30% more) and watch the result change instantly.
Silage days for different batch intakes and silo heights, with the other measurements entered.
The calculation done in steps, with the values you entered.
The calculation memo gathers this page's inputs, results, equations, assumptions, and references, with fields for project, responsible person, and review. The full report also includes the charts and interpretations, in color. In the print window, choose Save as PDF.
Enter the silo dimensions, the compacted silage density, the dry matter percentage, the expected losses, and the batch's daily dry matter intake. The calculator shows the volume, the silage mass, and how many days it lasts.
Silo of 30 m × 8 m × 2.5 m, density of 600 kg/m³, 32% MS, 10% losses and intake of 3,600 kg MS/day.
Volume = 30 × 8 × 2.5 = 600 m³. Green silage = 600 × 600 = 360,000 kg. MS = 360,000 × 0.32 = 115,200 kg. Available = 115,200 × 0.90 = 103,680 kg. Days = 103,680 ÷ 3,600 = 29 days.
Because silage is sold and stored by fresh weight. Good packing increases density and reduces losses. Poorly packed silage holds less and spoils.
They add up losses in the silo (fermentation and spoilage) and in feeding (leftovers in the trough). A typical value is between 5% and 15%, but it varies with management.
Because the section is not rectangular. For these cases, reduce the volume by the actual section area.
Use dry matter. This way, the calculation stays the same even if the silage moisture changes from one batch to another.
Important notice: the Agrocalcs tools make estimates and preliminary sizing based on the data entered and on published engineering methods. They do not replace a design, a calculation report or a report signed by a qualified professional (CREA/ART), nor verification against the applicable technical standards and legislation, such as the Regulatory Standards of the Ministry of Labor. Material and fuel properties vary: check with the manufacturer or with analyses of your process before deciding. By using the site, you agree to the Terms of Use.
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