“…,RAPA (especially at 1.2 mg/kg BW) decreased the crude protein, … acid contents (Asp, Thr, Ser, Glu, Gly, Ala, Cys, Val, Met, Ile , Leu, Tyr, Lys, His, Arg, and Pro) of crop milk (P < 0.05) …, and uric acid in the serum of breeding pigeons (P < 0.05).”