... , I, Se and Co et. 2.satisfy shrimp growth needing mineral elements. 3.premix for poultry Function:This item is produced ... Mn, Zn, Cu, Fe, I, Se and Co etc. 7 mineral elements, among the Se is very abundant, promote chicken growth ... feedstuff using rate. It is necessary and nutrition additive to feed meat chicken and egg. Apply to:Each period of meat ...