ArticleActa parasitologica2021
Epidemiological Studies on Nematode Parasites of Domestic Geese (Anser anser f. domesticus) and First Molecular Identification and Phylogenetic Analysis of Heterakis dispar (Schrank, 1790) in Egypt.
Article in Acta parasitologica, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 10 citations in OpenAlex.
- Anthelmintic Activity of Iron Oxide Nanoparticles Against the Goose NematodeVeterinary medicine international · 2026Article
- Morphological and molecular identification ofJournal of parasitic diseases : official organ of the Indian Society for Parasitology · 2024Article
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4 authors at 3 institutions in 1 country.
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Abstract
purposeGastrointestinal nematodes are one of the most important constraints of poor geese health and productivity, in addition to being involved in great economic losses for various poultry sectors. This study primarily aimed at determining the epidemiological profile and risk factors associated with the occurrence of gastrointestinal (GI) nematode parasites in geese in Egypt. The phylogenetic relationships between heterakids were the second aim.
methodsFor achieving these aims, a total 180 of intestinal samples were screened for the presence of gastrointestinal nematodes over a period of one year from December 2018 to November 2019. Furthermore, A PCR-based DNA sequencing of the mitochondrial NADH dehydrogenase subunit1 gene (nad1) was conducted for characterization of adult Heterakis dispar.
resultsThe current search revealed that the overall prevalence was 33.33% (60/180). Five species of nematode species was encountered in this study, namely Capillaria spp., Heterakis gallinarum (Schrank, 1788), Ascaridia galli (Schrank, 1788), Subulura brumpti (Lopez-Neyra, 1922) and Heterakis dispar (Schrank, 1790). A positive relationship was found between the prevalence of nematode infection and age of tested geese revealing that the high prevalence was found in adults rather than young birds (P = 0.03). Moreover, there was no significant difference in the prevalence of nematode infection between male and female geese (P > 0.05). Also, there was strong significant seasonal trends in the prevalence of the recovered helminths with the maximum infection was observed in summer season and lowest in winter (P = 0.002). The BLAST analysis of H. dispar nad1 sequence showed a 96.4% similarity with the sequences of H. dispar Heilongjiang. It also showed a lower similarity to the mitochondrial gene sequences of H. gallinarum (84.4%). This is the first molecular identification and report of genetic diversity of Heterakis dispar in geese from Egypt.
conclusionsThe current finding initially provides a concise account of knowledge about the epidemiology of gastrointestinal nematodes infecting geese and are considered as a starting point for the implementation of appropriate control and prophylactic schemes for GIT nematodiasis. It also confirms the potential uses of genetic techniques for taxonomic studies of different parasites.
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