HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS		QUICK SEARCH:   [advanced] Author: Keyword(s): Year:  Vol:  Page:

This Article Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Services Similar articles in this journal Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via HighWire Citing Articles via Google Scholar Google Scholar Articles by Prigge, E. C. Articles by Williams, D. E. Search for Related Content PubMed Articles by Prigge, E. C. Articles by Williams, D. E.

Utilization of Nitrogen from Ground Hign Moisture and Dry Corn by Ruminants^{1 ,2,}

Agricultural Experiment Sation, Oklahoma State University^,6, Stillwater 74074

Abstract

The influence of high levels of soluble nitrogen in ground high moisture corn rations on nitrogen utilization by ruminants was examined in two metabolism trials. In trial 1, steers were fed rations containing approximately 80% dry ground corn (DC) or high moisture corn (HMC) with either soybean meal (SBM) or urea (U) supplements. The levels of soluble nitrogen for the DC-SBM, DC-U, HMC-SBM and HMC-U rations were 35, 52, 73 and 92% of the total nitrogen, respectively. Peak rumen ammonia levels in steers one-half and 1 hr post-feeding were higher (P<.05) with the DC-U ration. Plasma urea levels were greater (P<.05) at 0, .5 and 1 hr post-feeding with the dry corn rations. In a second trial, twelve lambs were fed a nitrogen depletion ration for 3 weeks and the above rations for 4 weeks. Lambs fed HMC produced less urinary nitrogen, retained more nitrogen and a greater percentage of absorbed nitrogen (P<.05) than those fed DC. The results of both trials indicate that the nitrogen of HMC rations was utilized more efficiently than that of the DC rations and that urea can be used satisfactorily as a HMC supplement.

¹ Journal article 3061 of the Agricultural Experiment Station, Oklahoma State University, Stillwater, 74074.

² This study was supported in part by a grant from Grain Utilization Research, Box 1442, Guymon, Oklahoma 73942.

³ Present address: Agricultural Extension, University of California, 940 Main St., El Centro 92243.

⁴ Present address: Head, Department of Animal Science, University of Tennessee, Knoxville, 37901.

⁵ Master Veterinary Service, Guymon, Oklahoma 73942.

⁶ Department of Animal Sciences and Industry.

This article has been cited by other articles:

				K. M. Burkholder, A. D. Guyton, J. M. McKinney, and K. F. Knowlton The Effect of Steam Flaked or Dry Ground Corn and Supplemental Phytic Acid on Nitrogen Partitioning in Lactating Cows and Ammonia Emission from Manure J Dairy Sci, August 1, 2004; 87(8): 2546 - 2553. [Abstract] [Full Text] [PDF]