|
Mineral sourcesa
|
Trace mineralsb
|
Copper supplementation in basal dietc (mg/kg)
|
|---|
|
0
|
4
|
8
|
12
|
16
|
|---|
|
Organic
|
Cu
|
1.18
|
3.42
|
8.97
|
11.9
|
15.5
|
|
Fe
|
112
|
116
|
112
|
111
|
111
|
|
Mn
|
63.0
|
64.0
|
61.0
|
64.0
|
65.0
|
|
Zn
|
49.0
|
48.0
|
50.0
|
48.0
|
48.0
|
|
Inorganic
|
Cu
|
1.30
|
6.09
|
9.23
|
13.3
|
17.3
|
|
Fe
|
93.0
|
101
|
122
|
124
|
110
|
|
Mn
|
57.0
|
62.0
|
62.0
|
66.0
|
58.0
|
|
Zn
|
44.0
|
43.0
|
39.0
|
40.0
|
49.0
|
- aOrganic: copper proteinate (CuPro) and organic trace minerals; Inorganic: copper sulphate (CuSO4.5H2O) and inorganic trace minerals
- bValue determined by analysis. Each value based on 10 replicates
- cCopper supplementation levels were obtained by adding 0; 4; 8; 12; and 16 mg Cu/kg diet to a semi-purified diet containing 1.32 mg Cu/kg
