Table 5 Concentrations ( μg/kg) of strontium (Sr), barium (Ba), cadmium (Cd), copper (Cu), zinc (Zn), manganese (Mn), chromium (Cr), antimony (Sb), selenium (Se) and lead (Pb) in the liver and kidneys of horses, depending on the age of the animals¹

Sr

0-1

77.2

(26.3-121)

179

(59.3-251)

228

(87.6-328)

2-4

66.4

(40.1-92.8)

153

(84.3-222)

164

(110–218)

5-8

73.5

(39.3-80.7)

168

(114–318)

409

(303–1017)

9-13

45.5

(23.5-135)

136

(62.8-326)

257

(40.7-609)

16-28

100

(48.0-283)

199

(167–466)

257

(168–439)

Ba

0-1

229

(214–256)

388

(240–570)

366

(221–485)

2-4

243

(214–271)

375

(261–489)

374

(287–460)

5-8

230

(107–236)

297

(265–367)

355

(248–982)

9-13

242

(117–280)

331

(154–461)

328

(179–564)

16-28

228

(154–427)

380

(252–508)

346

(302–443)

Cd

0-1

263

(67.6-611)^a

3065

(315–8713)^a

294

(77.5-6800)^ac

2-4

475

(460–490)^a

8167

(7412–8922)^ab

1776

(1429–2123)^ad

5-8

743

(551–1577)^ab

6606

(5729–8781)^ab

1141

(738–2646)^ad

9-13

976

(699–3669)^b

14312

(7633–42819)^ab

6031

(3422–17500)^bc

16-28

1536

(798–3700)^b

24027

(3048–36562)^b

9273

(489–35091)^bd

Cu

0-1

6057

(5609–14609)^a

5995

(4347–10732)

1960

(1821–5331)^ab

2-4

3473

(2871–4074)^ab

3947

(3709–4185)

1469

(1131–1807)^ab

5-8

3172

(2151–4613)^b

3689

(2488–6250)

1295

(1100–1842)^a

9-13

3872

(2926–7966)^ab

5960

(3009–11393)

2182

(1542–6511)^b

16-28

4281

(2403–5445)^b

3996

(3194–5311)

2108

(1360–3421)^ab

Zn

0-1

30609

(16724–96681)

33881

(18866–47110)

10902

(9230–17235)^ab

2-4

18218

(17781–18654)

18020

(16408–19633)

10304

(9054–11554)^ab

5-8

14857

(14790–22329)

20553

(15948–22537)

10406

(8573–12449)^a

9-13

26164

(8849–45690)

25820

(13645–44963)

16808

(11056–24653)^b

16-28

21675

(12579–38140)

21571

(12323–29907)

14390

(8935–21854)^ab

Mn

0-1

2727

(2252–3258)^a

1281

(609–1479)

501

(288–1292)

2-4

1780

(1113–2447)^ab

926

(564–1289)

433

(248–618)

5-8

1186

(976–1877)^b

711

(542–1035)

350

(290–363)

9-13

824

(515–1560)^b

889

(522–1246)

521

(318–1108)

16-28

1580

(544–2588)^ab

847

(344–1268)

403

(242–744)

Cr

0-1

137

(116–427)^a

127

(16.3-188)

97.5

(91.2-188)

2-4

87.3

(52.3-122)^ab

61.1

(40.7-81.5)

100

(84.4-116)

5-8

42.3

(40.5-145)^ab

36.5

(28.1-107)

40.1

(27.6-103)

9-13

67.1

(22.0-118)^b

64.7

(17.0-122)

121

(38.7-348)

16-28

140

(34.2-178)^ab

96.9

(19.4-514)

86.3

(27.9-119)

Sb

0-1

15.3

(0.00-21.6)

11.7

(0.00-12.4)

11.0

(0.00-11.5)

2-4

10.5

(0.00-20.9)

6.05

(0.00-12.1)

5.67

(0.00-11.3)

5-8

0.00

(0.00-14.8)

0.00

(0.00-12.0)

0.00

(0.00-11.6)

9-13

0.00

(0.00-18.5)

0.00

(0.00-12.5)

0.00

(0.00-11.6)

16-28

17.1

(0.00-23.8)

11.1

(0.00-13.5)

10.9

(0.00-12.0)

Se

0-1

130

(109–201)^ab

771

(539–1088)

213

(150–647)^a

2-4

180

(120–240)^ab

896

(721–1070)

253

(234–273)^ab

5-8

72.6

(71.0-180)^a

544

(468–1599)

95.2

(87.5-124)^b

9-13

130

(69.6-319)^ab

516

(356–1197)

246

(147–542)^a

16-28

271

(99.3-336)^b

834

(400–981)

325

(171–522)^a

Pb

0-1

70.6

(62.5-136)

37.2

(0.00-114)

23.9

(0.00-33.5)

2-4

91.8

(25.9-158)

32.3

(8.17-56.5)

17.4

(6.51-28.2)

5-8

82.3

(0.00-90.7)

25.9

(0.00-84.7)

16.1

(0.00-21.0)

9-13

110

(45.1-170)

21.1

(6.76-77.2)

10.0

(2.48-40.5)

16-28

106

(0.00-301)

35.2

(0.00-118)

22.1

(0.00-103)