Weaning age

P-value

14 d

28 d

Total WBC no./mL (10⁸)

weeks-of-age

<0.05

8

2.42 ± 0.16^a

1.86 ± 0.15^b

12

1.87 ± 0.16

2.12 ± 0.15

16

2.08 ± 0.16

2.31 ± 0.15

20

1.59 ± 0.41

1.86 ± 0.63

Lymphocytes no./mL (10⁷)

weeks-of-age

<0.001

8

5.07 ± 0.21^a

4.02 ± 0.20^b

12

4.97 ± 0.21^a

4.05 ± 0.21^b

16

4.17 ± 0.21

4.46 ± 0.21

20

4.21 ± 0.21^a

2.13 ± 0.21^b

Neutrophil no./mL (10⁶)

weeks-of-age

<0.001

8

2.67 ± 0.31

1.83 ± 0.30

12

1.12 ± 0.31

1.01 ± 0.30

16

1.22 ± 0.31^a

0.73 ± 0.30^b

20

1.38 ± 0.27^b

3.25 ± 0.31^a

Lymphocytes, %

weeks-of-age

<0.05

8

62.7 ± 2.1

65.9 ± 2.1

12

69.7 ± 2.1

73.2 ± 2.1

16

66.7 ± 2.1^b

72.4 ± 2.1^a

20

65.4 ± 2.1

67.5 ± 2.1

Neutrophils, %

weeks-of-age

>0.10

8

30.3 ± 2.1

29.4 ± 2.0

12

26.3 ± 2.1

22.5 ± 2.0

16

27.1 ± 2.1

22.6 ± 2.0

20

29.8 ± 2.1

28.1 ± 2.1

N:L ratio

weeks-of-age

>0.10

8

0.55 ± 0.07

0.52 ± 0.07

12

0.41 ± 0.07

0.33 ± 0.07

16

0.45 ± 0.07

0.33 ± 0.07

20

0.50 ± 0.07

0.44 ± 0.07