1: The requirement for minerals 2: Natural Sources of Minerals 3: Assessing and controlling mineral status in livestock 4: Calcium 5: Magnesium 6: Phosphorus 7: Potassium 8: Sodium and Chloride 9: Sulphur 10: Cobalt 11: Copper 12: Iodine 13: Iron 14: Manganese 15: Selenium 16: Zinc 17: Occasionally Beneficial Elements (B, Cr, Li, Mo, Ni, Rb, Si, V) 18: Potentially Toxic Elements (Al, As, Cd, F, Hg, Pb,) 19: Design of Supplementation Trials For Assessing Mineral Deprivation 20: Minerals and Man