the oral administration of a small dose of cupric oxide `` '' needles '' '' ( cuon ) , providing 0.5 g copper , to hypocupraemic ewes maintained on a copper-deficient diet alleviated hypocupraemia for 111 days when the diet was supplemented with molybdenum and sulphate and for 301 days when the diet was not supplemented .
C0056598
cupric oxide
C0009968
g copp