Lawrence, T E Zilpaterol improves feeding performance and fabrication yield of concentrate-finished cull cows. [electronic resource] - Journal of animal science Jul 2011 - 2170-5 p. digital Publication Type: Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 1525-3163 Standard No.: 10.2527/jas.2010-3422 doi Subjects--Topical Terms: Adrenergic Agents--pharmacologyAnimal Feed--analysisAnimal Nutritional Physiological PhenomenaAnimalsCattleDiet--veterinaryFeeding Behavior--drug effectsFemaleMeat--standardsMuscle, Skeletal--drug effectsTrimethylsilyl Compounds--pharmacology