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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