Open Access
Research Article

Table 2

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

This study
Müller & Kimming, 1994
n Mean ± SD (min – max) n min – max (μm)
Width at esophagus (middle) 27 92.4 ± 11.9 (70 – 119) 5 120 – 130
Width at acetabulum level 7 113.4 ± 9.6 (91 – 137) ND
Width after gynecophoric canal 4 73.4 ± 9.4 (63 – 83) ND
Width at spatulate end 17 102.5 ± 16.3 (82 – 124) ND
Oral sucker length 29 63.7 ± 5.9 (50 – 76) 5 51 – 77
Oral sucker width 29 53.1 ± 6.3 (45 – 71) 5 46 – 65
Acetabulum length 18 58 ± 9.9 (42 – 75) 5 46 – 51
Acetabulum width 18 69 ± 5.1 (58 – 77) 5 56 – 69
Acetabulum to anterior end 16 499.6 ± 46.2 (407 – 562) 5 458 – 530
Acetabulum to gut bifurcation 15 89.3 ± 14.3 (66 – 112) 5 74 – 104
Acetabulum to cecal reunion 3 512.5 ± 63.5 (385 – 547) ND
Acetabulum to VSE 5 64.4 ± 14.7 (48 – 86) ND
Acetabulum to gynecophoric canal 6 605.7 ± 67.3 (528 – 646) 5 495 – 550
Vesicula seminalis externa (VSE) 17 207.4 ± 37 (136 – 255) ND
Vesicula seminalis interna (VSI) 12 194.6 ± 15.5 (157 – 215) ND
Seminal vesicle length 4 381.3 ± 59.1 (293 – 419) 5 265 – 315
Gynecophoric canal length 30 360.5 ± 54.8 (258 – 461) 5 212 – 291
Gynecophoric canal width 40 139.5 ± 21.8 (107 – 197) 5 130 – 195
Gynecophoric canal to first testis 10 129.1 ± 16.8 (92 – 148) ND
Gynecophoric canal to anterior end 14 1072.6 ± 119 (895 – 1290) ND
Testis length 56 69.6 ± 10.8 (49 – 96) 5 95 – 106
Testis width 56 56.9 ± 14.8 (34 – 87) ND
Number of testis 11 47.1 ± 9.9 (35 – 65) ND
Ceca length 3 509.4 ± 53.7 (458 – 544) 5 680 – 705
Cecal reunion to anterior end 8 1101 ± 80 (1019 – 1179) 5 390 – 430
Cecal bifurcation to anterior end 8 451 ± 30.1 (410 – 479) 5 390 – 430
Body length 3 3915.3 ± 75 (3830 – 3971) 5 3.2 – 4.0 (mm)