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Table 1 Grouping of diseased cows by diagnosis and blood serum concentration of calcium (S-tCa) and β-hydroxybuturate (BHBA)

From: Low cortisol levels in blood from dairy cows with ketosis: a field study

      AVERAGE1 (95% CONFIDENCE INTERVAL) CONCENTRATION
Group Number of cows Clinical diagnosis Lactation number, median (range) Production Cycle2, median (range) S-tCa mmol/l BHBA mmol/l
IK 7 Inappetance and ketosis, BHBA > 1.5 mmol/l 2
(1;6)
26
(22;50)
2.2
(2.0;2.4)
4.5
(2.9;6.9)
I 5 Inappetance, BHBA < 1.5 mmol/l 5
(2;6)
2
(0;200)
2.1
(1.4;2.7)
0.9
(0.6;1.5)
MA 7 Mastitis 4
(2;6)
60
(3;250)
2.3
(1.8;2.8)
0.6
(0.4;0.9)
ME 7 Metritis 4
(2;4)
4
(3;14)
2.1
(1.7;2.5)
1.4
(0.7;2.5)
PP 12 Parturient paresis S-tCa < 1.25 mmol/l 5
(2;8)
1
(0;60)
0.9
(0.8;1.0)
0.7
(0.5;0.9)
R 11 Recumbent cows, S-tCa > 1.25 mmol/l, treated with Ca. including prolapsed uterus, diarrhoea 4
(1;8)
2
(-1;200)
1.6
(1.4;1.9)
0.5
(0.3;0.9)
O 8 Others, including laminitis, tetany, vagus indigestion, "cough", no diagnosis, lymphadenitis 2
(1;5)
55
(1;180)
2.2
(2.0;2.4)
0.8
(0.3;2.3)
  1. 1Geometric means for BHBA, i.e. back-transformed from a logarithmic scale
  2. 2Days post partum