Definitions for "TDN"
Total Digestible Nutrients. standard system for expressing the energy value of feeds.
total digestible nutrients. Includes the total amounts of digestible protein, nitrogen-free extract, fiber, and fat (multiplied by 2.25), all summed together.
Total digestible nutrients. A standard evaluation of the nutritional merit of a particular feed for farm animals which includes all the digestible organic nutrients--protein, fiber, nitrogen-free extract, and lipids.
Topografische Dienst Nederland
Telephone Directory Number. The number assigned to the customer as it appears in the telephone book.