Effects of antibiotics and oil on microbial profiles and fermentation in mixed cultures of ruminal microorganisms

Ionophores and supplemental fat are fed to lactating cows to improve feed efficiency. Their effect on rumen fermentation is similar, but less is known about their impact on rumen microbes. The objective of this study was to determine the effects of monensin (M), bacitracin (B), and soybean oil (O) o...

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Veröffentlicht in:	Journal of dairy science 2009-09, Vol.92 (9), p.4467-4480
Hauptverfasser:	Johnson, M.C., Devine, A.A., Ellis, J.C., Grunden, A.M., Fellner, V.
Format:	Artikel
Sprache:	eng
Schlagworte:	acetates Ammonia - metabolism Animal productions Animals Anti-Bacterial Agents - pharmacology antibiotics bacitracin Bacteria - classification Bacteria - drug effects Biodiversity Biological and medical sciences Bioreactors Cattle continuous culture dietary fat Fatty Acids, Volatile - metabolism feed supplements Female Fermentation - drug effects Food industries Fundamental and applied biological sciences. Psychology gas production (biological) Hydrogen-Ion Concentration In Vitro Techniques ionophore ionophores methane Methane - metabolism Milk and cheese industries. Ice creams mixed culture monensin nutrient-drug interactions propionates Rumen - microbiology rumen fermentation rumen microbial diversity rumen microorganisms soybean oil Soybean Oil - pharmacology synergism Terrestrial animal productions Vertebrates volatile fatty acids
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