J. Anim Sci.
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J. Anim Sci. 1969. 29:839-847.
© 1969 American Society of Animal Science
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VFA Production in the Rumen of Sheep Fed Limestone and Urea Treated Corn Silages1,2,

H. Schaadt, Jr.3 and R. R. Johnson4,5,

Ohio Agricultural Research and Development Center, Wooster

Abstract

Previous research clearly showed that the addition of limestone to corn plant material at ensiling time increased the production of organic acids in corn silage (Klosterman et al., 1961; Byers, Davis and Baylor, 1964; Simkins, Baumgardt and Niedermeier, 1965 and Johnson and McClure, 1968). Klosterman et al. (1961) reported increased feed efficiency in eight trials when limestone treated corn silage was fed to beef steers and heifers as compared to untreated corn silage. In four of the trials, the cattle fed limestone-treated silage made faster gains. It was suggested that the increased gains and efficiency might be associated with the increased organic acid content of the silages. In feeding trials with lambs (Bentley, Klosterman and Engle, 1955) beef cattle (Johnson, Klosterman and Bentley, 1962) and dairy heifers (Emery et al., 1961), lactic acid appeared to have a high feed replacement value as an energy source. The present study was conducted to investigate the effects of limestone and urea treatments of corn silage on the volatile fatty acid (VFA) production in the rumens of sheep consuming these silages.

Footnotes

1 Approved for publication as Journal Article No. 43–69 by the Associate Director of the Ohio Agricultural Research and Development Center, Wooster, 44691.

2 The authors wish to acknowledge the technical assistance of B. A. Dehority, K. E. McClure, H. W. Scott and C. R. Weaver.

3 Deceased.

4 Department of Animal Science.

5 Present address: Oklahoma State University, Stillwater.






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Copyright © 1969 by the American Society of Animal Science.