بررسی مقدماتی چگونگی ساخت مکمل های معدنی با استفاده از سنگهای معدنی استان سمنان

Different kinds of mineral complementary as DCP, MCP and soon is considered as very essnetial food stuffs in nutritions ration of domesticated animal and birds which this material contains high- necessary components i,e Mg, Cl, Ca, Ph, Mg, S, K. and low- necessary components such as Cu, Fe, I, Mn...