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Published online 1 January 1973
Published in Agron J 65:130-132 (1973)
© 1973 American Society of Agronomy
677 S. Segoe Rd., Madison, WI 53711 USA
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‘Kenwell’ vs ‘Kentucky 31’ Tall Fescue under Grazing1

G. E. Carlson2, James Bond3 and R. H. Hart2

Differences in palatability, as measured in short-term cafeteria grazing trials, are not always reflected in animal performance under season-long grazing. ‘Kenwell’ tall fescue, selected for greater palatability, and ‘Kentucky 31’ tall fescue were grazed with yearling beef steers for 4 years. Mean stocking rate, average daily gain, and gain per hectare were all lower on Kenwell. Forage availability was the same on both varieties in 3 years, and higher on Kenwell in 1 year.

Key Words: Festuca arundinacea Schreb. • Beef gains • Fescue toxicity • Perloline • Alkaloids

1 Contribution from the Plant Science Research and Animal Science Research Division, Agricultural Research Service, USDA, Beltsville, Md. 20705.

2 Research Agronomist, PSRD, ARS, USDA, Beltsville, Md. 20705.

3 Reserach Animal Scientist, Animal Science Research Division, ARS, USDA, Beltsville, Md. 20705.

Received for publication March 24, 1972.




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Copyright © 1973 by the American Society of Agronomy.