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Table 3 Mean changes in Cu(l) concentration of cows over 44 days following the removal of all Cu supplements and drenching with 0.5 g ammonium molybdate and 1.0 g sodium sulphate for five days

From: Copper toxicity in a New Zealand dairy herd

Cow Liver Cu pre drenching (μmol/kg wet tissue) Liver Cu post drenching (μmol/kg wet tissue) % reduction in liver Cu
B 3000 1500 50.0%
C 3200 2100 34.4%
D 3500 1600 54.3%
F 2600 1700 34.6%
G 3300 2600 21.2%
H 2000 1100 45.0%
J 2000 1700 15.0%
Mean (standard error of mean) 2800 (± 232) 1757 (± 180) 37.3%
  1. Only cows with both pre- and post-drenching liver biopsy results available are included.