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Published in Crop Sci 10:108-109 (1970)
© 1970 Crop Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Perloline Inhibition of in vitro Ruminal Cellulose Digestion1

L. P. Bush, C. Streeter and R. C. Buckner2

Perloline, an alkaloid isolated from Festuca arundinacea, inhibited in vitro cellulose digestion by microorganisms of rumen fluid. Digestion of purified cellulose was more sensitive to perloline than was the digestion of cellulose in leaf tissue of F. arundinacea. Poor performance of cattle grazing F. arundinacea may be related to the effect of perloline on the digestion of cellulose by rumen microorganisms.

Key Words: Tall fescue • Festuca arundinacea

1 Contribution No. 69-03-46 from the Kentucky Agricultural Experiment Station, published with approval of the Director, and from the Crops Research Division, ARS, USDA.

2 Assistant Professor of Agronomy, Research Associate, Department of Animal Science, and Research Agronomist Crops Research Division, ARS, USDA, University of Kentucky, Lexington, Kentucky 40506.

Received for publication June 27, 1969.




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