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Volatile Fatty Acids in the Rumen of the Sheep [PDF]
EARLY workers in the field of ruminant physiology were aware of the presence in the rumen fluid of a number of the lower members of the saturated fatty acid series1; but accurate data were not reported until recently, when partition chromatography became available as a procedure for the analysis of complex mixtures of these acids. Acetic, propionic and
F V, GRAY +3 more
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Volatile Fatty Acids in the Caecum of the Sheep [PDF]
The efficient utilization of plant material by herbivorous animals is made possible by microbial fermentation of food residues in the alimentary tract. In the ruminant animal, fermentation occurs in the rumen prior to gastric digestion of the food and in the caecum prior to the elimination of undigested residues.
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VOLATIL FATTY ACIDS AND ALCOHOLS IN CORN SILAGE. [PDF]
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Hart, E. B., Willaman, J. J.
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Volatile fatty acids in the digestive tract of the fowl [PDF]
1. Examination of the digesta from all regions of the avian digestive tract showed that volatile fatty acids (VFAs) were present in greatest concentration in the caeca and that they comprised mainly acetic, propionic and butyric acids.2. All droppings contained VFAs but they were present in highest concentration in those of caecal origin.
E F, Annison, K J, Hill, R, Kenworthy
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Origin and utilization of volatile fatty acids in the rat [PDF]
The arteriovenous differences in the caecum of the rat have been compared for volatile fatty acids (VFA) and for electrolytes. Our results suggest the possibility of an exchange between VFA and chloride at the level of the caecal wall, rather than a net exchange between VFA and bicarbonate; however, the role of bicarbonate or Cl- at the cellular level ...
Rémésy, C., Demigné, C., Chartier, F.
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Volatile Fatty Acids in Phospholipids [PDF]
USING the micro-technique of James and Martin1, it has been established that bovine muscle phospholipids contain small amounts of volatile fatty acids, and it is possible that this finding can be extended to animal phospholipids in general. Hitherto, in the absence of techniques for the micro-estimation of the low molecular-weight fatty acids, it has ...
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ON THE DUCLAUX METHOD FOR THE ESTIMATION OF THE VOLATILE FATTY ACIDS. [PDF]
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Upson, Fred W. +2 more
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The Absorption of Volatile Fatty Acids from the Rumen [PDF]
ABSTRACT In a previous paper the relative rates of absorption of acetic acid and propionic acid through the rumen wall were discussed (Gray, 1947a). While the manuscript was being prepared, Danielli, Hitchcock, Marshall & Phillipson (1945) described a series of experiments from which it was evident that the lower homologues of the ...
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Presence of Volatile Fatty Acids in Bovine Semen.
SummaryConcentrations of 0.79-2.50 meq of volatile fatty acids per 100 ml were found in pooled ejaculates of bovine semen. Acetic and formic acids were identified as the major volatile fatty acid constituents by column chromatography, paper chromatography and selective oxidation of the formic acid.
R J, FLIPSE, F E, POTTER
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A NOTE ON THE DUCLAUX METHOD FOR VOLATILE FATTY ACIDS. [PDF]
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