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TDN

American  
Or t.d.n.
  1. totally digestible nutrients.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

If the threat of rain postpones hay harvest for seven to 10 days, the TDN drops and feed supplements may be needed to maintain a cow's energy level.

From Time Magazine Archive

It may be hard to think of fescue as a protein supplement, but at Black Belt, the stockpiled forage often tests at around 11.5 % crude protein and 60.5 % TDN.

From Time Magazine Archive