Fractional rates of protein synthesis (KS), protein synthetic capacity (CS), and protein synthetic efficiency (KRNA) in longissimus dorsi, gastrocnemius, and soleus of piglets fed Control (CON), Restricted + BCAA (RBCAA), Restricted + Leu (RL), or Restricted (R) diets for 9 (n = 24) and 21 d (n = 22). Values are least square means ± SE.