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Redescription of Quasiamidostomum fulicae (Rudolphi, 1819) Lomakin, 1991 (Nematoda: Amidostomatidae), a parasite of Fulica atra (Gruiformes)

Katarzyna Królaczyk
Katarzyna Królaczyk
, 
Daniel Zaborski
Daniel Zaborski
, 
Emil Dzierzba
Emil Dzierzba
 e 
Katarzyna M. Kavetska
Katarzyna M. Kavetska
   | 29 feb 2020
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Pubblicato online: 29 feb 2020
Pagine: 95 - 102
Ricevuto: 06 giu 2019
Accettato: 12 feb 2020
DOI: https://doi.org/10.2478/jvetres-2020-0014
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© 2020 K. Królaczyk et al. published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Introduction

Quasiamidostomum fulicae (Rudolphi, 1819) Lomakin, 1991, is a species of which the systematic position is still unclear, and it is reported in the literature under many synonyms. In the present study, an attempt has been made at establishing the ultimate systematic position of Quasiamidostomum fulicae against the backdrop of selected Amidostomatinae species.

Material and Methods

The parasites were identified based on measurements of external and internal structures. Ecological analysis of Q. fulicae was carried out using the quantitative indices (frequency, prevalence, mean intensity, relative abundance, and dominance index). Statistical analyses (discriminant analysis) were performed on measurement data.

Results

The intestines of 77 coots were examined. They yielded a total of 398 parasites, including 67 identified as Q. fulicae. Both males and females were located in the muscular gizzard. The morphometric analysis of Q. fulicae in this study showed the dimensions of all the internal organs to be in agreement with measurements reported by other authors. The discriminant analysis, used to find the differences between the examined nematode species (Amidostomoides acutum, A. petrovi, A. monodon, Amidostomum anseris, and Quasiamidostomum fulicae), gave highly significant results (P < 0.0001) with respect to both males and females.

Conclusion

The results justify the separation of Q. fulicae from the genus Amidostomum.
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Life Sciences, Molecular Biology, Microbiology and Virology, other, Medicine, Veterinary Medicine
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