... forage for newborn pig, covering pig, poultry, shrimp, eel and so on. L-Threonine Feed Grade Appearance: White or light-brown granularCAS No ... added in the forage for newborn pig, covering pig, poultry, shrimp, eel and so. It can keep the balance of amino ... growth of the animals,etc. Packing: in 25kg bag/drum. Feed Grade L-Threonine 98%min