Effect of feed energy intake on collagen characteristics and muscle quality of mature cows.
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Samples from mature cows fed a high-energy and maintenance-energy diet for 84 days prior to slaughter were used to compare collagen solubility and palatability traits. Cows fed a high-energy diet prior to slaughter had increased percentage heat-labile collagen, less sensory panel detectable connective tissue and lower shear force values than cows fed a maintenance-energy diet. Mature cows fed a high-energy diet were fatter and had more marbling than cows fed a maintenance-energy diet. The increased collagen solubility from feeding a high-energy diet to mature cows resulted in palatability and shear force ratings similar to those expected from young animals.
author list (cited authors)
Miller, M. F., Cross, H. R., Crouse, J. D., & Jenkins, T. G
complete list of authors
Miller, MF||Cross, HR||Crouse, JD||Jenkins, TG