Evaluation of chamise (Adenostoma fasciculatum) and interior live oak (Quercus wislizenii) as feed for sheep. Wilson, A. D., Weir, W. C., & Torell, D. T. J. Anim. Sci., 32(5):1042–1045, 1971.
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Abstract: Measurements were taken of feed intake, composition, and digestibility of the diet of sheep grazing areas of chamise, live oak, unimproved grassland, and improved (clover) grassland. Collection of diet samples by esophageal fistula showed that brush was only eaten in significant amounts when all alternative herbaceous material was removed. Crude protein content of the diet on brush area (7% to 9%) was similar to that in the unimproved grassland (8% to 10%) but much less on the improved grassland containing clover (15%). In summer when brush became a major constituent of the diet, the sheep on grasslands ate a diet high in in vitro digestibility (65% compared with 45%) and had higher food intakes (980 to 1030 g digestible organic matter/day compared with 240 to 270 g/day) than the sheep on the brush areas. The brush species appear to be of limited feed value for sheep.
@article{wilson_evaluation_1971,
	title = {Evaluation of chamise ({Adenostoma} fasciculatum) and interior live oak ({Quercus} wislizenii) as feed for sheep},
	volume = {32},
	shorttitle = {Evaluation of chamise ({Adenostoma} fasciculatum) and interior live oak ({Quercus} wislizenii) as feed for sheep},
	abstract = {Abstract:  Measurements were taken of feed intake, composition, and digestibility of the diet of sheep grazing areas of chamise, live oak, unimproved grassland, and improved (clover) grassland.  Collection of diet samples by esophageal fistula showed that brush was only eaten in significant amounts when all alternative herbaceous material was removed.  Crude protein content of the diet on brush area (7\% to 9\%) was similar to that in the unimproved grassland (8\% to 10\%) but much less on the improved grassland containing clover (15\%).  In summer when brush became a major constituent of the diet, the sheep on grasslands ate a diet high in in vitro digestibility (65\% compared with 45\%) and had higher food intakes (980 to 1030 g digestible organic matter/day compared with 240 to 270 g/day) than the sheep on the brush areas.  The brush species appear to be of limited feed value for sheep.},
	number = {5},
	journal = {J. Anim. Sci.},
	author = {Wilson, A. D. and Weir, William C. and Torell, Donald T.},
	year = {1971},
	keywords = {1971, Adenostoma fasciculatum, Quercus wislizenii, Torell, D. T., Weir, W. C., Wilson, A. D., browse, forage value, chamise, diet, sheep, digestibility, forage, digestibility, in vitro, fistula, esophageal, oak, interior live, pasture, improved, protein content, forage, sheep, nutrition},
	pages = {1042--1045}
}

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