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Influence of roughage level on the site and extent of digestion of whole shelled corn by beef steers

Cole, N.A.; Johnson, R.R.; Owens, F.N.

Journal of Animal Science 43(2): 483-489

1976


ISSN/ISBN: 0021-8812
DOI: 10.2527/jas1976.432483x
Accession: 000407475

Whole shelled maize rations containing 0, 7, 14 and 21% roughage in the form of cottonseed husks (rations 0, 7, 14 and 21, respectively) were given in a 4 X 4 Latin square design to 4 bullocks with ruminal and abomasal cannulae. Bullocks were fed hourly, from automatic feeders, to obtain steady state conditions in the digestive tract. Total, ruminal and intestinal starch digestion for rations 0, 7, 14 and 21 was 96.4, 80.0, 81.8; 94.7, 67.9, 83.6; 92.2, 71.5, 72.9; and 95.4, 72.1, 83.8%.

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