1)Lysine is the necessary amino acid for the animal 2)and also can promote the health,growth,nutrition 3)technical specs, Content% ≥98.50 Loss On Drying% ≤1.0 Ammonium Salt% ≤4.0 Ash Content% ≤0.3 Pb% ≤0.003 Arsenic(AS)% ≤0.0002 4)process: controlled by our disciplined professionals and the material is in high qualityIf you have any question,welcome to contactus .We'll quote the satisfied price for you.And if you like,we can arrange sample for you .