Comparison some of the mineral elements several species plant with the required level of Fashandi race ram (case study: Taleghan ranges)

In this study, concentration of five micro elements Fe, Cu, Zn, Co and Mn in eight species of rangeland forbs Prangus uloptera, Medicago sativa, Lotus goeblia, Trifolium montanum, Sanguisorba minor, Stachys inflate, Melilotus officinalis and Ferula ovina were Measured. The species at three phenological stages of vegetative, flowering and seeding were randomly sampled from Rangelands of Taleghan. To measure micro elements, atomic absorption devices was used. For comparison of amounts elements with the required level ram of NRC-2007 Table were used. The results showed that the amount Zn in most species at all phenological stages was less than the required level of ram, but the amount of Fe, Co, Mn and Co in all species at three phenological stage were less than the required level of ram, but the amount of Fe, Co, Mn and Co in all species at three phenological stage were higher than required amount of fashandi race ram. According to the shortage of Zn use of mineral supplements for stay healthy dominant livestock area and reach the optimum level of livestock performance are necessary.