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Research Article

Table 3

Measurements of fresh mounts of female worms from duck hosts Anas platyrhynchos domesticus represented as mean ± SD (min–max μm); ND = no data.

n This study
Müller & Kimmig, 1994
Mean ± SD (min – max) min – max (μm)
Width at esophagus (middle) 19 70.4 ± 15.9 (50 – 95) 112 – 129 μm
Width at acetabulum level 6 88.7 ± 10.5 (68 – 98) ND
Width at spatulate end 8 90.6 ± 15.1 (75 – 113) ND
Width before spatulate end 3 56 ± 4.6 (52 – 61) ND
Oral sucker length 16 56.8 ± 8.1 (40 – 68) 57 – 64
Oral sucker width 16 42.6 ± 9 (31 – 59) 46 – 55
Acetabulum length 12 42.5 ± 7 (38 – 63) 38 – 47
Acetabulum width 12 51.5 ± 7.1 (42 – 68) 49 – 58
Acetabulum to anterior end 10 390.5 ± 72.8 (312 – 494) 455 – 545
Acetabulum to gut bifurcation 5 84.4 ± 12 (75 – 98) 62 – 70
Acetabulum to cecal reunion 2 549.5 ± 98.3 (480 – 619) ND
Acetabulum to ovary ND 285 – 310
Ceca length 3 641 ± 114.7 (537 – 764) 745 – 795
Cecal bifurcation to anterior end 8 414.5 ± 27.6 (395 – 434) 390 – 430
Cecal reunion to anterior end 3 1119 ± 110.5 (995 – 1207) ND
Egg length in uterus 2 157.5 ± 2.1 (156 – 159) ND
Egg width in uterus 2 41 ± 1.4 (40 – 42) ND
Body length 3 3559.7 ± 724.3 (3092 – 4394) 4.2 – 4.6 (mm)
Eggs in feces n Length (μm) Width (μm) Length/width ratio
Müller & Kimming (1994) 18 205.8 ± 24.7 (155 – 250) 68 ± 8.9 (52.5 – 90) 3
Skirnisson & Kolarova (2008) 40 203 ± 27 (150–260) 69 ± 6 (57–84) 2.9
This study 99 193.9 ± 20.9 (154 – 250) 62.4 ± 9.4 (45 – 85) 3.1