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Table 5 Haematological values per parity ranks presented as mean (minimum-maximum)

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

Units

Gilts

N = 49

Sows

Parity 2

N = 47

Parity 3-4

N = 52

Parity 5 or more

N = 51

RBC

1012/L

6.2 (3.5-7.4)a

5.9 (4.3-7.8)b

5.7 (4.6-7.2)b

5.5 (4.1-6.4)b

Hb

g/dL

12.5 (7.7-15.4)a

12.2 (8.7-14.9)a

11.9 (8.6-14.0)a

12.0 (9.4-14.5)a

HCT

%

41.2 (24.7-54.8)a

39.8 (30.9-50.1)a

38.8 (11.6-45.8)a

38.8 (30.2-48.3)a

MCV

fl

62.32 (60-73)a

67.97 (61-74)ab

68.71 (60-76)b

71.06 (66-77)c

MCH

pg

20.28 (17.8-23.2)a

20.86 (18.4-24.4)a

20.85 (17.4-22.5)a

21.96 (20.1-24.7)b

MCHC

g/dL

30.53 (29.1-31.7)ab

30.68 (27.1-33.6)ab

30.29 (30-31.8)a

30.93 (29.2-33.5)b

WBC

109/L

13.9 (8.3-22.3)a

12.1 (8.2-18.9)b

11.5 (3.1-16.7)bc

10.9 (4.1-18.8)c

PLT

109/L

250.4 (115-428)a

240.9 (100-323)ab

216.3 (72-434)ab

197.4 (42-441)b

  1. RBC red blood cell count, Hb haemoglobin, HCT haematocrit, MCV mean corpuscular volume, MCH mean corpuscular haemoglobin, MCHC mean corpuscular haemoglobin concentration, WBC white blood cell count, PLT platelet count
  2. a,b,c Different letters in superscript within a line means p < 0.05