Skip to main content

Table 2 Serum and liver copper concentrations, and serum GGT and GLDH activities from healthy animals sampled at random from the affected herd

From: Copper toxicity in a New Zealand dairy herd

Cow Serum Cu (μmol/l) Liver Cu (μmol/kg wet tissue) Serum GGT (IU/L) Serum GLDH (IU/L)
A 10.0 1900 31 38
B 16.0 3000 225 325
C 16.0 3200 118 286
D 13.0 3500 167 420
E 16.0 Insufficient sample 236 317
F 11.0 2600 15 14
G 14.0 3300 13 32
H 12.0 2000 60 41
I 11.0 2200 115 139
J 12.0 2000 48 159
K 11.0 2500 46 44
Mean (standard error of mean) 12.9 (± 0.7) 2620 (± 188) 98 (± 24) 165 (± 44)
Reference Range 8.0 – 20.0 [6] 95 – 2000 [6] <40 IU/la <50 IU/la
  1. Values outside the reference range are highlighted in bold.
  2. a– source is unpublished data from Ruakura Animal Health Laboratory.