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United States Department of Agriculture

Agricultural Research Service

Title: Urea Production, Recycling and Excretion in Forage-Fed Beef Steers.

item Huntington, Gerald - NORTH CAROLINA STATE UNIV
item Archibeque, Shawn - TEXAS A&M UNIVERSITY
item Burns, Joseph

Submitted to: Animal Science Progress Report
Publication Type: Research Notes
Publication Acceptance Date: July 23, 2002
Publication Date: September 20, 2002
Citation: Huntington, G.B., Archibeque, S.A., Burns, J.C. 2002. Urea production, recycling and excretion in forage-fed beef steers.. Animal Science Progress Report.

Interpretive Summary: An interpretative summary is not required for Research Notes.

Technical Abstract: Two experiments with growing beef steers fed hays of warm season (gamagrass and switchgrass) or cool season (tall fescue) grasses showed a strong linear relationship between urea production by the animal and urinary urea excretion as functions of nitrogen (crude protein) intake. The nature of the response for total nitrogen or readily degradable nitrogen was similar for warm and cool season grasses. However, less degradable, true protein fractions of warm and cool season grasses have distinct relationships with urea production and excretion.

Last Modified: 4/21/2015
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