Table 2 Morphometric parameters and shape of microfilariae in the peripheral blood and liver of birds.

Body size (μm)

 Length

146–184 (168 ± 10.5)

84–154 (121 ± 25)

150–174 (163 ± 6.7)

97–127 (113 ± 8.5)

 Width

2.3–3.2 (2.9 ± 0.2)

3.7–5 (4.2 ± 0.7)

4.2–5.4 (4.9 ± 0.4)

3.5–5 (4.2 ± 0.4)

 Cephalic space length

0–1.8 (1.1 ± 0.5)

2.5–5.8 (3.7 ± 1)

1.1–4.1 (2.2 ± 0.6)

1.3–2.3 (1.9 ± 0.5)

 Inner body length

3–7 (5 ± 1)

2–8 (4 ± 1.8)

8–15 (11± 1.9)

7–12 (9 ± 1.6)

Distances^a

 Nerve ring

34–41 (37 ± 2.1)

20–32 (2 6 ± 3.6)

31–39 (35 ± 2.4)

31–34 (27 ± 2.2)

[20–25 (22 ± 1.2)]

[17–25 (22 ± 2.7)]

[19–24 (22 ± 1.4)]

[21–25 (24 ±1.2)]

 Excretory pore

49–64 (57 ± 4.6)

28–48 (36 ± 7.1)

55–64 (59 ± 2.7)

34–49 (41 ± 5)

[32–38 (34 ± 1.9)]

[30–34 (32 ± 1.6)]

[34–39 (36 ± 1.1)]

[32–41 (37 ± 3.3)]

 Inner body anterior end

81–99 (90 ± 5.2)

48–89 (67 ± 14)

84–100 (93 ± 4.3)

55–75 (65 ± 5.6)

[52–56 (54 ± 1.2)]

[54–58 (56 ± 1.1)]

[56–60 (57 ± 1.2)]

[55–59 (57 ± 1.3)]

 Inner body posterior end

85–104 (95 ± 3.4)

50–94 (71 ± 16)

94–115 (105 ± 5.1)

63–73 (73 ± 6.7)

[55–60 (57 ± 0.1.4)]

[58–61 (60 ± 1)]

[62–66 (64 ± 1.2)]

[62–69 (65 ± 2.3)]

 Anal pore

121–54 (139 ± 9.4)

68–125 (94 ± 21.5)

130–156 (143 ± 6.5)

83–114 (99 ± 8.7)

[81–87 (83 ± 1.6)]

[79–84 (81 ± 1.4)]

[86–90 (88 ± 1.3)]

[86–90 (87 ± 1.4)]

Shape

 Anterior extremity

Rounded

Rounded

Rounded

Rounded

 Tale

Sharply pointed

Sharply pointed

Broadly rounded

Broadly rounded

 Sheath

Absent

Absent

Present

Present