PMID: 8988318Jan 1, 1996Paper

Attempts to induce reductive acetogenesis into a sheep rumen

Archiv für Tierernährung
I ImmigL Mbanzamihigo

Abstract

A rumen fistulated wether was used for continuous infusion of a 2-bromoethanesulfonic acid (BES) solution (2 g/d in 50 ml of water). The infusion was started after introduction of a pulse dose of BES (2 g) into the rumen. Immediately after introduction of the pulse dose, methane concentration in rumen gases was lowered from about 40 to less than 1%, with concomittant decreases and increases in the molar proportions of acetic and propionic acids respectively in the rumen volatile fatty acids. After 4 days of infusion however, and despite repeated pulse dosage of BES, methanogenesis adapted to BES and methane concentration in rumen gases reached 20%. Addition of BES to incubations of rumen contents with hay resulted in considerable inhibition of methanogenesis. Extra addition of methanol in such incubations increased both acetate and methane production, whereas addition of formate had no effect. In a second experiment using a second rumen fistulated whether, a 4 day control period was followed by 10 days of daily introduction of 11 of cattle cecal contents into the rumen. The cattle cecal contents were collected from slaughterhouse cattle, filtered and kept at -20 degrees C until use. Comparison of in vitro fermentation of thawed...Continue Reading

References

Nov 1, 1988·Applied and Environmental Microbiology·S F LajoieM J Wolin
Mar 1, 1988·Applied and Environmental Microbiology·A Pol, D I Demeyer
May 1, 1988·Quarterly Journal of Experimental Physiology : an International Journal of the Physiological Society·G BrevesH Martens
Mar 1, 1970·Zeitschrift für Tierphysiologie, Tierernährung und Futtermittelkunde·C J Van NevelJ A Martin
Jan 1, 1995·Reproduction, Nutrition, Development·L MbanzamihigoD I Demeyer
Jul 1, 1996·Scandinavian Journal of Immunology·F SpinozziA Bertotto
Jan 1, 1996·Reproduction, Nutrition, Development·F PiattoniL Maertens
Sep 1, 1996·Environmental Monitoring and Assessment·C J Van Nevel, D I Demeyer

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Citations

Jul 1, 2010·Animal : an International Journal of Animal Bioscience·D P MorgaviC J Newbold
Dec 9, 2003·Applied and Environmental Microbiology·Razvan DumitruStephen W Ragsdale

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