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Winter Grazing of Pasture by Sheep: 3. The Effect on Ewe Performance of a Range of Intensive Winter Stocking Densities

W. J. M. Black and T. Nolan
Irish Journal of Agricultural Research
Vol. 18, No. 2 (Aug., 1979), pp. 183-193
Stable URL: http://www.jstor.org/stable/25555942
Page Count: 11
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Winter Grazing of Pasture by Sheep: 3. The Effect on Ewe Performance of a Range of Intensive Winter Stocking Densities
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Abstract

Pregnant ewes were grazed at four stocking rates (22.24, 29.65, 44.48 and 118.61 ewes/ha) on reseeded (Lolium perenne L. and Trifolıum repens L.) pasture over winter from November to March. Marked reductions in intake of the silage which was offered ad libitum were recorded at the lower stocking rates without detriment to ewe performance. Ewe liveweight changes during pregnancy and lambing success appeared to be improved by access to grazing at the lower stocking rates compared with the 'sacrifice' paddock (118.61 ewes/ha). The wintering technique is propounded for practical use as part of an all-year system of sheep production.

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