Yeast cell wall,eco-feed additives Stimulate and enhance immunity Made from brewer yeast Health care ISO,HACCP,Kosher,FDA Form: dark brown powder loss on drying: ≤6.0%crude protein: ≤30.0%Ash: ≤15%pH: 4.5-6.5NaCl: ≤5%Application: 1.Promote the development of immune organs, and intensify the immune system of animal. 2.Stimulate and enhance immune system and function. 3.It has good efficiency foe ...