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Forage Utilization

Changes in Chemical Composition and Digestion Kinetics of Stockpiled Kura Clover in Late Fall

Authors
  • Mehmet Akif Karsli (Iowa State University)
  • James R. Russell (Iowa State University)
  • Kenneth Albrecht (Iowa State University)
  • Robert A. Zemerchick (Iowa State University)
  • Ed. J. Bures (University of Wisconsin)

Abstract

Stockpiled kura clover samples harvested on three different winter dates were used to determine changes in chemical composition and N digestion kinetics. Kura clover was harvested from four different plots at 14 d intervals and analyzed for neutral detergent fiber (NDF), acid detergent fiber (ADF), crude protein (CP), acid detergent insoluble nitrogen (ADIN), and in vitro digestible dry matter (IVDMD), and in situ digestion kinetics of N. Crude protein concentrations decreased, but ADIN concentrations increased with later date of harvest. Digestible N pool-size and the rate of digestion was the lowest in third-harvest kura clover. Although the proportion of protein that is soluble or nondigestible increased, proportion of protein that is potentially digestible decreased with maturity.

Keywords: ASL R1640

How to Cite:

Karsli, M. A., Russell, J. R., Albrecht, K., Zemerchick, R. A. & Bures, E. J., (2000) “Changes in Chemical Composition and Digestion Kinetics of Stockpiled Kura Clover in Late Fall”, Iowa State University Animal Industry Report 1(1).

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Published on
2000-01-01

Peer Reviewed