J. Anim Sci.
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J. Anim Sci. 1978. 47:15-18.
© 1978 American Society of Animal Science
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Efficacy of Buquinolate in Increasing Gain and Improving Feed Efficiency in Feedlot Lambs

F. A. Hudson, G. L. Weaver, S. C. Perry and J. A. Schlegel1

Texas Tech University,2, Lubbock 79409

Abstract

This study reports the evaluation of feeder lamb response to buquinolate (Bonaid 100) when added at varying levels to a high-concentrate lamb finishing ration. One-hundred-sixty crossbred wether lambs averaging 28 kg were randomized by weight into 16 pens of 10 lambs. Pens were randomized into four replicates each for four dietary groups receiving an 80% concentrate basal diet (control) and basal diet plus one of three levels of buquinolate (1.16, 1.74 and 2.32 mg/kg body weight). Data recorded were individual daily gain, feed consumption per replicate, replicate feed conversion, and carcass observations on four lambs/treatment. All lambs were fed for 91 days when an average of 41 kg body weight was attained.

Data indicate a 14.8, 26.0 and 18.5% improvement over control in average daily gain with the use of 1.16, 1.74 and 2.32 mg/kg levels of buqinolate (1.74 mg/ kg P<.05), and feed intake was increased over control by 8.1, 9.7 and 3.9%, respectively, (1.16mg/kg P<.05, 1.74 mg/kg P<.01). Feed efficiency was improved by 8.0, 14.9 and 13.9% for the same treatment groups, but the differences were not statistically significant from the control. No effect on carcass quality was observed in buquinolate medicated animals.

Footnotes

1 Department of Animal Science, Texas Tech University; Veterinary Medical Director, Chief of Animal Microbiology and Nutrition, and Professional Assistant Norwich Pharmacal Co., respectively. This study was supported in part by a grant in aid by Norwich Pharmacal Co.

2 College of Agricultural Sciences Pub. No. T–5–126.






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Copyright © 1978 by the American Society of Animal Science.