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Effects of metabolic modifiers on beef carcass composition and meat quality

Code: 9781838790363
Publication date: 30/04/2017
Extent: 34 pages

Contributions by: John M. Gonzalez, Sara M. Ebarb, Kelsey J. Phelps and Michael E. Dikeman, Kansas State University, USA

Chapter synopsis: Metabolic modifiers are compounds that are either fed to animals or implanted to improve rate of gain, feed efficiency, dressing percent, carcass meat yield, visual meat quality, shelf life or meat palatability. This chapter presents a general review of the effects of metabolic modifiers on carcass composition, fresh meat quality and cooked meat palatability. Emphasis will be on those metabolic modifiers that are approved for use in cattle in the United States and other developed countries. The main types of modifier discussed are anabolic steroid implants, beta-adrenergic agonists, vitamins D3, E and A, and somatotropin.

DOI: 10.19103/AS.2016.0009.06
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Table of contents 1 Introduction 2 Anabolic steroid implants: introduction and the effect of single-implant programmes on carcass composition 3 Anabolic steroid implants: the effect of multiple implant (reimplant) programmes on carcass composition 4 Anabolic steroid implants: the effect of anabolic steroid implants on meat quality 5 Beta-adrenergic agonists: ractopamine hydrochloride (RH) 6 Beta-adrenergic agonists: zilpaterol hydrochloride (ZH) 7 Vitamins D 3 , A and E 8 Somatotropin 9 Summary 10 Where to look for further information 11 References

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