Pasture and subsequent feedlot performance by beef cattle grazing acremonium coenophialuminfectedtall fescue and offered different levels of ground grain sorghum

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Pasture and subsequent feedlot performance by beef cattle grazing acremonium coenophialuminfectedtall fescue and offered different levels of ground grain sorghum

Freeman, A.S.; Coffey, K.P.
Conference paper
Publication Date: 1993
Conference: Cattlemen's Day, 1993, Kansas State University, Manhattan, KS, March 5, 1993
Starting Page: 64, Ending Page: 67
Publisher: Kansas State University. Agricultural Experiment Station and Cooperative Extension Service

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Abstract:

One hundred twenty-six crossbred steers and sixty-three crossbred heifers (704 lb BW) were used to evaluate the effects of energy supplementation on animal performance during grazing of endophyte-infected tall fescue and on subsequent feedlot performance. Grazing ADG increased linearly (P<.05) from .70 lb/d for control (no supplementation) to .93 and 1.12 lb/d for cattle receiving .25% and .5% of BW as ground sorghum grain (SG), respectively. Initial feedlot weight was increased linearly (P<.02) by pasture SG levels. Feedlot daily gain, dry matter intake, and feed conversion; carcass characteristics; and liver abscess scores were not affected (P>.10) by SG that had been fed on pasture.

Keywords: Beef; Sorghum grain; Steers; Heifers; Grazing performance; Feedlot performance; Carcass merit; Fescue; Endophyte

URL for this item: http://hdl.handle.net/2097/6283

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