... pig,covering pig,poultry,shrimp,eel and so L-Threonine(Feed Grade)SPECS:Loss on drying: 1.0% MaxResidues ... and so.It can: --Keep the balance of amino acids in the forage and stimulate the growth of ... nutritive value of forage raw materials which have low amino acid digestibility; --Apply to the production low-protein ... concentration is kept low in animal shed. Feed grade L-Threonine,l-lysine,amino acid