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Table 1 Concentration of Cu in serum, liver and kidney, and the activities of serum GGT and GLDH in the last three cows (cows 4 to 6) to die in this copper toxicity outbreak

From: Copper toxicity in a New Zealand dairy herd

  Cow 4 Cow 5 Cow 6 Normal range
Kidney Cu 120 820 310 <157 μmol/kg [9]
Liver Cu 2300 2400 2700 95 – 2000 μmol/kg wet tissue [6]
GGT 201 192 299 <40 IU/la
GLDH 240 1258 236 <50 IU/la
Serum Cu 34.0 99.0 52.0 8 – 20 μmol/l [6]
  1. a– source is unpublished data from Ruakura Animal Health Laboratory.