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A Note on the Eating Behaviour of Cattle Offered Grass Silage ad libitum in Troughs
R. K. Wilson and A. V. Flynn
Irish Journal of Agricultural Research
Vol. 14, No. 2 (Aug., 1975), pp. 218-220
Published by: TEAGASC-Agriculture and Food Development Authority
Stable URL: http://www.jstor.org/stable/25555775
Page Count: 3
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The jaw movements of 21 beef cattle (400 kg) offered grass silage ad libitum in troughs were recorded by radio telemetry during the period February to April, 1974. Animals spent 5.2, 7.1 and 11.7 hr daily eating, ruminating and resting, respectively. Sixty-nine percent of the eating was during daylight; 29.3±1.6 min in every hour were devoted to resting. We suggest that the poor performance of cattle on silage during winter relative to summer grazing is partly due to the animal restricting its intake by limiting its period of active eating to daylight and spending about half of this period resting.
Irish Journal of Agricultural Research © 1975 TEAGASC-Agriculture and Food Development Authority