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Published in Agron J 61:271-274 (1969)
© 1969 American Society of Agronomy
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Residual Effect of Feeding Grain to Grazing Steers upon the Productivity of Pasture1

S. S. Benacchio, G. O. Mott, D. A. Huber and M. F. Baumgardner2

A grazing trial was conducted during the growing season of 1967 to study the residual effect upon pasture productivity of 4 years of feeding different levels of grain to grazing steers. The effect on the pasture was measured in terms of steer days/ha estimated total digestible nutrients (ETDN) consumed/ha, forage dry matter produced/ha, and crude protein composition of the herbage. Each increase of 10 metric tons of grain fed per hectare increased the carrying capacity of the pastures, 53 steer days; the estimated total digestible nutrients consumed, 145 kg; and the forage dry matter yield, 224 kg. The increase in crude protein produced per hectare was 19 kg for each 10-ton increment of grain fed.

Key Words: Excreta • Grazing trials • Supplemental feeding

1 Scientific paper No. 3426, Department of Agronomy, Purdue University, Lafayette, Indiana 47907. Part of a thesis presented by the senior author in partial fulfillment of the requirements for the Master of Science degree.

2 Graduate student, Professor of Agronomy, Superintendent of Miller Purdue Memorial Farm, and Associate Professor of Agronomy.

Received for publication July 29, 1968.




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Copyright © 1969 by the American Society of Agronomy.