PMID: 7020749Jul 1, 1981Paper

Effect of monensin on the fermentation of basal rations in the Rumen Simulation Technique (Rusitec)

The British Journal of Nutrition
R J WallaceG Breckenridge

Abstract

1. A long-term experiment was made with the Rumen Simulation Technique (Rusitec), in which the fermentation of a mixed ration of hay (10 g/d) and bruised barley (5 g/d) was compared with the fermentation of the same diet in the presence of 2, 10 and 50 mg monensin/d. 2. Monensin depressed the production of acetic and butyric acids, markedly increased the production of propionic acid and virtually, eliminated the production of isovaleric acid. The production of methane was decreased in the presence of monensin, but this decrease could be accounted for entirely by the changes in the production of volatile fatty acids and redistribution of metabolic hydrogen. 3. The digestibility of dry matter (DM) in the rations declined in the presence of monensin. Determinations of the rates of digestion showed that the digestion of the readily-fermented food in the initial stages was not affected by monensin, but that at 24 h digestion had been inhibited by monensin. The inhibition was due entirely to its effect on the digestion of the fibrous components. Digestion of non-fibrous material was not affected. 4. The efficiency of microbial growth, expressed as g dry weight/mol ATP formed (YATP) and in terms of DM digested, tended to be increased ...Continue Reading

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Citations

Mar 1, 1982·The British Journal of Nutrition·J W Czerkawski, G Breckenridge
Sep 1, 1982·The British Journal of Nutrition·O A Ikwuegbu, J D Sutton
Jun 1, 1984·The Proceedings of the Nutrition Society·J W Czerkawski
Feb 1, 1986·Archiv für Tierernährung·D DemeyerJ M Godeau
Feb 1, 1988·Archiv für Tierernährung·F Gyulai, M Baran
Jun 1, 1989·Archiv für Tierernährung·M MarounekO G Savka
May 18, 2013·Archives of Animal Nutrition·Gerald WischerMarkus Rodehutscord
Sep 1, 1996·Environmental Monitoring and Assessment·C J Van Nevel, D I Demeyer
Feb 1, 1984·The Journal of Applied Bacteriology·J W CzerkawskiG Breckenridge
Aug 1, 1993·Journal of Dairy Science·T HinoS Kumazawa
Apr 1, 1982·Critical Reviews in Microbiology·P N Hobson, R J Wallace
May 1, 1982·Critical Reviews in Microbiology·P N Hobson, R J Wallace
Jan 3, 2018·Journal of Animal Science·M Capelari, W Powers

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