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Table 7.
– A comparative characteristic of the morphology of D. loossi, D. anatinarum, D. pulverulenta and D. asiatica (sizes in mm).
| Trait | D. loossi (our data) | D. anatinarum (by Leite et al., 1982) | D. pulverulenta (by Khalifa, 1976) | D. asiatica (by Chauhan et al., 1973) | |
|---|---|---|---|---|---|
| ♂ | Body length | 9.5–12.5 | 6.2 | 3.25–8.83 | Male not described |
| Body width | 1.35–1.86 | 0.60–0.75 | 0.40–1.79 | ||
| N of testicles | 138–148 | 120–130 | 90–110 | ||
| Seminal vesicle | Strombuliform | Bulbus-like | Strombuliform | ||
| ♀ | Body length | 10.5–13.6 | 8.0 | 3.35–10.3 | 6.0 |
| Body width | 1.32–1.38 | 0.89–1.01 | 0.45–1.65 | 1.3 | |
| Ovary | Strombuliform | Elongated, tubular | Strombuliform | Long, convolute | |
| Uterus | Tubiform | Long with tortuous knots | Compact, roundish | Large, coiled | |
| Number of eggs in uterus | One | Numerous | Numerous | Numerous | |
| Shape of eggs | Oval with on spine on one pole | Roundish, without spines | Oval with spine on one pole | Oval with spine on one pole | |
| Definitive hosts | Anas platyrhynchos dom. | Anas platyrhynchos | Querquedula querquedula | Anas crecca | |
| Pelecanus onocrotalus | Cairina moschata dom. | Anas boschas | |||
| Fulica atra | |||||
| Anas platyrhynchos | |||||
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