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Table 2 Hepatic cobalt and copper concentrations in lambs from 58 different flocks in Norway, with information about summer pasture for each flock.

From: Hepatic Cobalt and Copper Levels in Lambs in Norway

District (Abattoir in brackets)

Cobalt (μg/g ww)

Copper (μg/g ww)

Summer pasture***

District

Cobalt (μg/g ww)

Copper (μg/g ww)

Summer pasture

 

Mean

Range

Mean

Range

  

Mean

Range

Mean

Range

 

Rogaland (Forus)

0.036*

(0.019–0.059)

31

(5–63)

C

South-east Norway (Rudshøgda)

0.034

(<0.003–0.051)

50

(14–115)

L, c

 

0.051*

(0.014–0.082)

27

(16–48)

C

 

0.012

(<0.003–0.031)

48

(22–100)

M, c

 

0.037*a

(0.020–0.059)

27

(4–155)

C

 

0.041

(0.009–0.073)

27

(11–86)

L, c

 

0.036*

(0.029–0.047)

20

(4–32)

L, c

 

0.063

(0.036–0.092)

33

(18–60)

L, c

 

0.011

(<0.003–0.021)

39

(11–61)

L

 

0.022

(0.015–0.032)

37

(4–70)

L, c

 

0.042*

(0.031–0.064)

21

(15–31)

C

 

0.037

(0.024–0.053)

19

(11–29)

L, c

 

0.033*a

(0.027–0.041)

14

(5–42)

C

 

0.026

(0.014–0.033)

66

(34–105)

M, l, c

 

0.006*!

(<0.003–0.009)

14

(5–42)

L, c

 

0.021

(0.006–0.035)

73

(21–115)

M, c

 

0.034

(0.004–0.057)

5

(4–6)

L, C

 

0.026

(0.003–0.064)

105

(70–175)

M, c

 

0.030*

(0.011–0.062)

27

(10–45)

L, c

 

0.040

(0.023–0.058)

48

(11–105)

L, c

Sogn og Fjordane (Førde)

0.045

(0.033–0.066)

34

(18–58)

L, c

Nord-Trøndelag (Meråker)

0.032

(0.021–0.039)

74

(38–145)

M, L, c

 

0.037

(0.017–0.055)

51

(7–110)

M, c

 

0.037

(0.024–0.058)

60

(30–96)

M, l, c

 

0.025b

(0.013–0.045)

22

(7–35)

L

 

0.054

(0.045–0.079)

64

(25–125)

M, c

 

0.045

(0.035–0.052)

28

(11–61)

M

 

0.038

(0.029–0.054)

155

(85–230)

M, L, c

 

0.042

(0.028–0.055)

68

(23–135)

M, l, c

 

0.030

(0.020–0.047)

46

(9–165)

M, l, c

 

0.025b

(0.006–0.043)

16

(5–42)

L, c

 

0.037

(0.021–0.055)

160

(86–260)

-

 

0.038

(0.023–0.050)

18

(9–32)

L, c

 

0.015

(<0.003–0.031)

130

(100–160)

M, c

 

<0.003

All <0.003

37

(9–60)

L, c

 

0.085

(0.028–0.105)

200

(74–430)

-

 

<0.003

All <0.003

66

(38–92)

M, c

 

0.076

(0.065–0.089)

115

(49–195)

L, c

 

0.017

<0.003–0.081

58

(19–115)

M, c

 

0.059

(0.051–0.068)

240

(130–600)

-

Vesterålen (Sortland)

0.034

(0.023–0.043)

59

(8–110)

M, c

Inner Troms (Målselv)

0.037

(0.015–0.052)

130

(89–190)

M, l, c

 

0.035

(0.014–0.047)

91

(16–150)

M, c

 

0.048

(0.034–0.069)

105

(23–170)

M, l, c

 

0.031

(0.021–0.041)

36

(5–175)

M, c

 

0.070

(0.057–0.094)

105

(54–160)

L, c

 

0.027

(0.014–0.057)

29

(9–86)

M, c

 

0.14

(0.093–0.19)

135

(93–220)

M, l, c

 

0.071

(0.016–0.11)

29

(9–74)

L, c

 

0.072

(0.025–0.17)

120

(57–175)

L, c

 

0.051

(0.043–0.062)

25

(8–63)

L, c

 

0.057

(0.045–0.071)

130

(82–250)

M, c

 

0.029

(0.019–0.041)

46

(25–66)

M, c

 

0.042

(0.030–0.055)

92

(55–190)

M, L, c

 

0.033

(0.025–0.042)

110

(35–170)

M, c

 

0.049

(0.014–0.083)

160

(81–350)

M, l, c

 

0.091

(0.041–0.16)

51

(13–125)

L, c

 

0.056

(0.038–0.083)

80

(10–135)

M, c

 

0.22**

(0.048–0.47)

100

(59–230)

M, c

 

0.056

(0.038–0.068)

130

(84–195)

-

  1. * Used cobalt supplementation (according to answers in questionnaire) **Used unknown mineral supplement probably containing cobalt
  2. a-a; b-b: Sample sets from the same flock of sheep. ! Unlikely result. (See discussion).
  3. ***Summer pasture. M: Mountain pasture. L/l: Uncultivated lowland pasture C/c: Cultivated lowland pasture. –: No information. Capital letters indicate the main summer pasture (see text)