Agriculture & Soil

Intermediate

Feed Conversion Ratio

Feed eaten per unit of body-weight gain.

Formula

FCR = \frac{F}{G}

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Variables

FCRFeed conversion ratio

FFeed consumed (kg)

GWeight gain (kg)

Example

3 kg feed per 1 kg gain: FCR = 3

Did You Know?

Chickens convert feed to meat far more efficiently (FCR ~1.6) than cattle (~7) — a key sustainability figure.

agriculture livestock feed

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