Sample Calculation 1

A ration for a cow with a milk yield of 30 kg per day is as follows:

• 23 kg of grass silage (45% dry matter)
• 12 kg corn silage (36% dry matter)
• 6 kg kibble (90% dry matter)

Question: How many kilograms of dry matter does this cow consume daily? (Round to 1 decimal place)

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Sample Calculation 2

According to the ration requirements, a cow should consume 10 kg dry matter of grass silage (40% dry matter).

Question: How many kilograms of silage should this cow consume per day? (Round to whole number)

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