@article{148cf6e3dcf547cb8560c975b6593894,
title = "Effects of energy and amino acid supply to the small intestine on amino acid metabolism",
abstract = "Effects of increasing the supply of starch and amino acids in the small intestine on absorption of nutrients and concentration of plasma metabolites were determined. A 2 × 2 × 2 factorial arrangement of treatments was used and dietary factors were as follows: 1) 25% versus 50% dietary corn, 2) formaldehyde-treated (rumen-protected) versus untreated corn, and 3) supplemental rumen-protected methionine and lysine versus no supplemental amino acids. Treatments were randomly allotted to 40 individually fed steers for the trial. Feeding formaldehyde-treated corn resulted in increased plasma glucose and insulin concentrations. Plasma insulin and glucose concentrations were also directly proportional to dietary corn level. The plasma concentrations of urea and most individual amino acids were markedly decreased when steers were fed treated corn compared with those fed untreated corn. Increased postruminal nutrient supply enhanced metabolic utilization of amino acids in these steers.",
author = "Oke, {Benjamin O.} and Loerch, {Steven C.}",
note = "Funding Information: Feeding starch that escapes ruminai fermentation has been shown to improve the efficiency of energy utilization in growing ruminants by 11%-30% 1 and 42%, 2 increase glucose uptake in the small intestine, 3 and increase milk yield. 4 Postruminal infusion of glucose has increased milk production 5 and improved both growth rate and feed conversion.J Treatment of corn with formaldehyde has been shown to increase the supply of digestible starch flowing to the small intestine and improve nitrogen (N) retention. 6{"}7 Further improvements in efficiency of N utilization may be possible by proper manipulation of post-ruminal amino acid supply. In some circumstances, deficiencies of amino acids available for absorption in the small intestine may be overcome by Address reprint requests to Dr. Steven C. Loerch, Dept. of Animal Science, Ohio Agricultural Research and Development Center, Wooster, OH 44691, USA. Salaries and research support provided by state and federal funds appropriated to the Ohio Agricultural Research and Development Center, Ohio State University, Manuscript No. 57-90. Present address for B.O.O. is School of Natural Sciences, Hampshire College, Amherst, MA 01002, USA. Received Oct. 16, 1990: accepted July 12, 1991.",
year = "1992",
month = feb,
doi = "10.1016/0955-2863(92)90092-W",
language = "English (US)",
volume = "3",
pages = "62--66",
journal = "The Journal of Nutritional Biochemistry",
issn = "0955-2863",
publisher = "Elsevier Inc.",
number = "2",
}
