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Table 3 Reference intervals for 198 clinically healthy sows at end-gestation in ten French herds

From: Haematological reference intervals of sows at end gestation in ten French herds, the impact of parity on haematological parameters and the consequences on reproductive performance

Variables

Unit

N

Mean

Median

SD

Range (min-max)

RI with 90% Confidence Interval (CI)

Lower limit of CIa

Upper limit of CIa

RBC

1012/L

198

5.8

5.8

0.7

3.49-7.75

4.3 (4.0-4.7)

7.2 (6.9-7.4)

Hb

g/dL

198

12.1

12.1

1.2

7.7-15.4

9.4 (8.6-10.2)

14.5 (8.6-10.2)

HCT

%

198

39.7

39.6

4.6

11.6-54.8

30.9 (24.7-32.5)

48.6 (46.4-50.1)

MCV

fl

198

68.6

68.0

3.3

60-77

61.0 (60.0-63.0)

75.0 (74.0-76.0)

MCH

pg

198

21.0

20.9

1.2

17.4-24.7

18.2 (17.8-19.0)

23.2 (23.1-24.4)

MCHC

g/dL

198

30.5

30.6

0.9

24.5-33.6

29.1 (26.2-29.4)

31.8 (31.6-33.5)

WBC

109/L

198

12.1

11.9

2.7

3.1-22.3

7.6 (4.1-8.3)

18.8 (17.1-19.3)

Neutrophils

109/L

198

7.2

7.0

1.8

0.3-14.4

3.5 (0.4-4.8)

11.9 (10.7-12.9)

%

198

59.3

60.4

8.2

7.7-76.7

47.7 (11.6-49.6)

72.0 (69.7-74.0)

Eosinophils

109/L

198

1.0

0.9

0.5

0-2.6

0.3 (0-0.3)

2.2 (1.9-2.4)

%

198

7.7

7.1

3.4

0.4-17

2.9 (0.5-3.3)

15.7 (13.9-16.4)

Monocytes

109/L

198

0.6

0.6

0.2

0.1-1.5

0.3 (0.2-0.4)

0.9 (0.9-1.1)

%

198

4.8

4.8

0.9

1.9-8.3

3.3 (2.8-3.6)

6.8 (6.2-7.3)

Lymphocytes

109/L

198

3.3

3.3

0.9

1.3-6.7

1.9 (1.7-1.9)

5.6 (5.1-6.1)

%

198

28.2

27.4

8.3

10.3-83.5

17.3 (16.1-19.1)

40.5 (37.5-82.0)

PLT

109/L

198

225.8

221.5

74.5

42-441

90.7 (72-109)

400.7 (346-434)

  1. N indicates number of animals, RI reference interval, RBC red blood cell count, WBC white blood cell count, Hb haemoglobin, HCT haematocrit, MCV mean corpuscular volume, MCH mean corpuscular haemoglobin, MCHC mean corpuscular haemoglobin concentration, PLT platelet count
  2. a using 2.5th to 97.5th inter-percentile range