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Effects Of Threonine Supplementation On Whole-Body Protein Synthesis And Plasma Metabolites In Growing And Mature Horses, Sara Mastellar, A. Moffet, P.A. Harris, K.L. Urschel
Effects Of Threonine Supplementation On Whole-Body Protein Synthesis And Plasma Metabolites In Growing And Mature Horses, Sara Mastellar, A. Moffet, P.A. Harris, K.L. Urschel
Sara Mastellar
Current equine threonine requirement estimates do not account for probable use of threonine to maintain gut health and mucin synthesis. The objective of this study was to determine if threonine supplementation (+Thr) would increase whole-body protein synthesis (WBPS) in weanling colts (Study 1) and adult mares (Study 2). Both studies used a crossover design, where each of six animals was studied twice while receiving the isonitrogenous diets. The basal diets contained lower threonine levels (Basal) than the threonine (+Thr) supplemented diets. Threonine intakes in mg/kg BW/day were as follows: 79 (Basal) and 162 (+Thr) for Study 1 and 58 (Basal) …