Digestible Energy

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    Digestible energy provides an indication of the actual amount of energy from a feed that can be available for use by the animal. It is estimated by subtracting energy lost in the feces (fecal energy or FE) from the gross intake energy (GE), (i.e., DE = GE – FE). Digestible energy is commonly used to evaluate poultry and horse feed.

    In horses, given that FE only partially accounts for the energy losses (considerable losses also occur via urine and gases) in the process of the utilisation of nutrients, DE may overestimate low quality feeds relative to high quality feeds. 

    Synonyms:
    DE
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