Stress And Muscle Metabolism

Preslaughter stress in animals causes release of catecholamines and depletion of muscle glycogen, which influence the extent of postmortem glycolysis and pH decline in muscles. Severe stress in goats prior to harvesting may result in inferior meat quality. Short-term preslaughter stress causes reduction in muscle glycogen levels in young goats, but not in older ones (Fig. 3), although increases in circulating cortisol and glucose concentrations are noticeably less in young goats compared to older ones.[11] Muscle glycogen concentrations and pH values during the immediate postmortem period may indicate the

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