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Open AccessReview

Muscle Energy Metabolism, Growth, and Meat Quality in Beef Cattle

Department of Animal and Poultry Sciences, Virginia Tech, Blacksburg, VA 24061, USA
Faculdade de Zootecnia e Engenharia de Alimentos, University of São Paulo, São Paulo, Pirassununga 13635-900, SP, Brazil
Programa Nacional de Carne y Lana, INIA Tacuarembó, Ruta 5, km 386, Tacuarembó 45000, Uruguay
Author to whom correspondence should be addressed.
Agriculture 2019, 9(9), 195;
Received: 16 July 2019 / Revised: 2 September 2019 / Accepted: 2 September 2019 / Published: 7 September 2019
World meat production must increase substantially to support current projections in population growth over the next 30 years. However, maximizing product quality remains a focus for many in the meat industry, as incremental increases in product quality often signal potential increases in segment profitability. Moreover, increases in meat quality also address concerns raised by an ever-growing affluent society demanding greater eating satisfaction. Production strategies and valued endpoints differ worldwide, though this makes the global marketing of meat challenging. Moreover, this variation in production schemes makes it difficult for the scientific community to understand precisely those mechanisms controlling beef quality. For example, some cattle are produced in low input, extensive, forage-based systems. In contrast, some producers raise cattle in more intensive operations where feeding programs are strategically designed to maximal growth rates and achieve significant fat deposition. Yet, others produce cattle that perform between these two extremes. Fresh meat quality, somewhat like the variation observed in production strategies, is perceived differently across the globe. Even so, meat quality is largely predicated on those characteristics visible at the retail counter, namely color and perceived texture and firmness. Once purchased, however, the eating experience is a function of flavor and tenderness. In this review, we attempt to identify a few areas where animal growth may impact postmortem energy metabolism and thereby alter meat quality. Understanding how animals grow and how this affects meat quality development is incumbent to all vested in the meat industry. View Full-Text
Keywords: animals; growth; muscle; meat quality; beef; tenderness; color animals; growth; muscle; meat quality; beef; tenderness; color
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MDPI and ACS Style

Wicks, J.; Beline, M.; Gomez, J.F.M.; Luzardo, S.; Silva, S.L.; Gerrard, D. Muscle Energy Metabolism, Growth, and Meat Quality in Beef Cattle. Agriculture 2019, 9, 195.

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