Table 2 Characteristics of the sampled animals within each farm

BCS

2.4 ± 0.4

2.4 ± 0.5

2.2 ± 0.5

3.0 ± 0.5

3.4 ± 0.4

2.8 ± 0.3

DIM

179 ± 63

179 ± 53

111 ± 62

160 ± 63

162 ± 99

166 ± 66

Milk yield, kg

42.9 ± 9.1

36.9 ± 7.7

33.7 ± 7.7

26.9 ± 7.8

30.2 ± 6.9

27.8 ± 1.5

Milk fat, %

3.3 ± 0.5

4.1 ± 0.6

3.5 ± 0.6

3.7 ± 0.7

4.1 ± 4.5

3.5 ± 0.7

Milk protein, %

3.1 ± 0.3

3.4 ± 0.3

3.1 ± 0.3

3.7 ± 0.3

3.6 ± 0.4

3.5 ± 0.3

Milk casein, %

2.5 ± 0.2

2.6 ± 0.2

2.5 ± 0.2

2.9 ± 0.2

2.8 ± 0.3

2.8 ± 0.3

Milk urea, mg/dL

18.2 ± 3.4

19.4 ± 4.2

20.8 ± 3.4

21.5 ± 5.5

20.5 ± 4.1

20.9 ± 4.2

SCC

369 ± 732

322 ± 594

439 ± 847

659 ± 1,210

181 ± 503

485 ± 1,319

Milk cortisol, pg/mL

492 ± 335

586 ± 840

562 ± 314

636 ± 275

448 ± 174

481 ± 319

Ceruloplasmin, μmol/L

2.8 ± 0.5

2.9 ± 0.9

2.8 ± 0.6

3.2 ± 0.6

2.4 ± 0.7

2.4 ± 0.5

Total proteins, g/L

77.5 ± 7.8

80.0 ± 6.9

80.6 ± 7.2

81.0 ± 5.2

75.6 ± 5.1

79.7 ± 4.8

Albumin, g/L

37.3 ± 3.1

38.2 ± 3.5

35.3 ± 3.1

37.1 ± 2.1

36.7 ± 2.2

38.6 ± 1.6

Haptoglobin, g/L

0.40 ± 0.33

0.42 ± 0.47

0.50 ± 0.46

0.29 ± 0.30

0.33 ± 0.21

0.42 ± 0.42

Paraoxonase, U/mL

112 ± 26

100 ± 24

104 ± 25

88 ± 21

101 ± 16

90 ± 22

Zinc, μmol/L

14.8 ± 4.3

13.5 ± 2.5

12.1 ± 2.5

12.3 ± 2.7

13.0 ± 2.3

12.1 ± 1.8