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What is digestibility of a feed?

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A measure of the proportion of a feed that is digestible. The digestibility of a nutrient is often measured as the difference between the amount of nutrient ingested minus the amount of nutrient excreted in the feces, expressed as a percentage of the nutrient ingested: 100 x (intake - excreted)/intake. 13 сент. 2015 г.


How do you find the digestibility of a feed?

The following equation is used to determine the apparent digestibility of a nutrient: digestibility (%) = 100 – (100 x (marker concentration in feedstuff / marker concentration in feces) x (nutrient concentration in feces / nutrient concentration in feedstuff)).

What is digestibility method in feed evaluation?

The most accurate way to evaluate the nutritional value of any feedstuff is the standard measure of digestibility. It involves post ruminal collections through duodenal or abomasal cannulation of the animal (Nocek, 1988).

What are the factors which affect digestibility of feed?

Factors Affecting Digestibility of FeedSpecies. ... Age. ... Work. ... Individuality. ... Level of feeding. ... Sudden change. ... Pathological and stressed animal. ... Indigenous secretions into feces.

What is the importance of digestibility?

Because a highly digestible food provides a higher proportion of absorbed nutrients like vitamins than a less digestible food, digestibility provides one measure of a food's nutritional value and quality.

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