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 Loerch, S. C. Articles by Fahey, G. C. Search for Related Content PubMed Articles by Loerch, S. C. Articles by Fahey, G. C., Jr.

Effects of Dietary Protein Source and Energy Level on In Situ Nitrogen Disappearance of Various Protein Sources

University of Illinois, Urbana 61801²

Abstract

Effects of dietary energy level and dietary protein source on in situ N disappearance of various protein sources were determined. In Exp. 1, effects of dietary corn treatment and energy level were determined for rumen pH and in situ N disappearance of casein (CN), soybean meal (SBM), blood meal (BM), meat and bone meal (MBM), pelleted dehydrated alfalfa (DA) and corn gluten meal (CGM). Three percent NaOH-treated corn (NaOH-C) or high moisture corn (HMC) was fed to four rumen fistulated cows at 20, 40, 60 and 80% of the diet. Mean rumen pH averaged over time and dietary energy level was greater (P>.01) for cows fed NaOH-C than for those fed HMC. Nitrogen disappearance of CN, SBM and DA tended to be affected more by corn treacment and level than did N disappearances of BM, MBM and CGM. The effect of dietary protein supplement (urea, SBM, BM, MBM and DA) on in situ N disappearance of SBM, BM, MBM and DA was measured in Exp. 2. A dietary protein supplement x incubated protein source interaction existed (P>.01) for in situ N disappearance at 12 h, suggesting that in situ N disappearance of protein sources may vary with dietary protein supplement.

¹ Present address: Dept. of Anim. Sci., Ohio Agr. Res. and Develop. Center, Wooster, OH 44691.

² Dept. of Anim. Sci.

This article has been cited by other articles:

				I. R. Ipharraguerre, J. H. Clark, and D. E. Freeman Varying Protein and Starch in the Diet of Dairy Cows. I. Effects on Ruminal Fermentation and Intestinal Supply of Nutrients J Dairy Sci, July 1, 2005; 88(7): 2537 - 2555. [Abstract] [Full Text] [PDF]

				L. R. Legleiter, A. M. Mueller, and M. S. Kerley Level of supplemental protein does not influence the ruminally undegradable protein value J Anim Sci, April 1, 2005; 83(4): 863 - 870. [Abstract] [Full Text] [PDF]

				N. Dabiri and M. L. Thonney Source and level of supplemental protein for growing lambs J Anim Sci, November 1, 2004; 82(11): 3237 - 3244. [Abstract] [Full Text] [PDF]

				P. A. Ludden, T. L. Wechter, and B. W. Hess Effects of oscillating dietary protein on ruminal fermentation and site and extent of nutrient digestion in sheep J Anim Sci, December 1, 2002; 80(12): 3336 - 3346. [Abstract] [Full Text] [PDF]