ARI Volume 1 Number 2.pdf - Zoology and Environmental Biology ...

IHEDIOHA, John Ikechukwu et al. 130
Table 2: The leukocytic profile of Sprague-Dawley outbred rats of different ages and sexes at Nsukka, Nigeria
Age
(weeks)
3 –4
6 –7
9 – 10
12 – 13
15 – 16
18 – 22
24 – 26
60 – 72
Total
Leukocyte
counts
M
7.18
(1.80)
8.67 a
(1.87)
12.29
(2.67)
14.00
(2.14)
10.11
(2.99)
10.90
(2.86)
12.78 a
(2.40)
14.81 a
(2.25)
F
7.61
(1.36)
10.27 b
(2.50)
12.52
(2.49)
12.70
(3.28)
10.08
(3.51)
10.03
(2.27)
8.12 b
(1.84)
16.47 c
(4.04)
Absolute
Lymphocyte
counts
M
4.07
(1.71)
5.89 a
(1.32)
8.18 a
(1.45)
9.41
(2.28)
7.48
(2.25)
7.26
(1.75)
7.11
(2.09)
9.30 a
(2.36)
F
4.76
(1.72)
6.93 b
(1.22)
9.25 b
(2.25)
9.40
(2.36)
7.84
(1.76)
7.81
(1.63)
6.32
(1.32)
12.30 b
(3.71)
M
2.19 a
(0.56)
1.20
(0.26)
2.17
(0.66)
2.76 a
(0.83)
1.86 a
(0.84)
2.21 a
(0.36)
3.41 a
(0.91)
3.51 a
(1.26)
Absolute
Neutrophil
counts
F
1.74 c
(0.84)
1.06
(0.07)
1.92
(1.04)
2.03 b
(0.62)
1.37 b
(0.22)
1.09 b
(0.56)
0.88 b
(0.76)
2.44 b
(0.39)
Absolute
Monocyte
counts
Absolute
Eosinophil
counts
Absolute
Basophil
counts
Number of
rats
sampled
* Results are presented as means X 10 3 cells per microlitre of blood with standard deviation in brackets; M = Males, F = Females. . a b c Different superscripts in an age set row indicate significant
differences between the mean values of the parameters between males and females: ab = p < 0.01; ac = p < 0.05
M
0.76
(0.10)
0.60 a
(0.35)
1.24
(0.47)
2.14 a
(0.81)
1.09 a
(0.10)
1.15 a
(0.41)
1.82 a
(0.93)
1.39
(0.21)
F
0.83
(0.21)
1.37 b
(0.60)
1.13
(0.48)
1.08 b
(0.44)
0.50 b
(0.39)
0.77 b
(0.48)
0.62 b
(0.39)
1.39
(0.52)
M
0.23
(0.13)
0.10 a
(0.11)
0.21 a
(0.11)
0.25
(0.18)
0.36 a
(0.18)
0.47
(0.36)
0.58 a
(0.23)
0.59 a
(0.45)
F
0.21
(0.14)
0.26 b
(0.16)
0.28 b
(0.08)
0.24
(0.15)
0.22 b
(0.13)
0.37
(0.15)
0.30 b
(0.02)
0.34 b
(0.27)
M
0.01
(0.03)
0.00
0.00
0.03
(0.06)
0.04
(0.06)
0.00
0.08
(0.07)
0.03
(0.07)
F
0.00
0.01
(0.03)
0.01
(0.03)
0.02
(0.04)
0.03
(0.04)
0.06
(0.03)
0.03
(0.03)
0.00
M
30
30
45
30
36
30
30
36
F
30
30
45
36
30
45
30
30