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Journal of Dairy Science Vol. 50 No. 1 73-76
© 1967 by American Dairy Science Association ®
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Steam Distillation of Volatile Fatty Acids in Rumen Ingesta

R. P. Kromann1, J. H. Meyer and W. J. Stielau2

Department of Animal Science, University of California, Davis

ABSTRACT

A suitable apparatus and methods for the steam distillation of VFA from approximately 100 g of rumen ingesta have been described. The VFA were distilled at a pH of 3 from a saturated MgSO4 solution maintained at 105 C. A collection of 600 ml distillate per sample was sufficient to give nearly complete recoveries of VFA present in the samples. The distilled VFA were found to be suitable for gas chromatographic analyses.

FOOTNOTES

1 Department of Animal Science, New Mexico State University, Las Cruces.

2 University of Natal, Pietermaritzburg, South Africa.






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Copyright © 1967 by the American Dairy Science Association ®.