Lysine Sulphate 65% Feed Grade 1, Feed Grade 2, Appearance: brown or light brown powder 3, Hs code: 29224100 Welcome Lysine Sulphate 65% Feed GradeActive Ingredient ... ;3).Improve dry matter intake;4).Improve conversion ratio of feed nitrogen;5).Decreased the concentration of urea nitrogen in serum ... metal max. 0.003% Arsenic max. 0.0002% lysine sulphate feed additive