The host age related occurrence of Alaria alata in wild canids in Latvia
Abstract
The trematode Alaria alata has a complex life cycle in which carnivore mammals may become infected by feeding on mesocercariae-infected, second intermediate hosts or paratenic hosts. Afterwards, young flukes migrate through various organs of the definitive host, including the diaphragm and the lungs, before reaching the small intestine. The aim of the present study was to establish the prevalence and infection intensity of A. alata in carnivore mammals, the host age and related occurrence of different A. alata development stages in particular animals in Latvia. Overall, samples from 992 animals (539 red foxes, 411 raccoon dogs and 42 grey wolves) were examined using sedimentation and counting techniques to observe the presence of A. alata metacercariae and adult trematodes in each particular host. The present study, based on data collected over five hunting seasons (2010/2011-2014/2015), is a comprehensive study on the circulation of A. alata in wild canids in Latvia. A. alata was present in all species examined and the overall prevalence reached 86.2%. A significant positive correlation was observed between the burden of A. alata metacercariae and adult trematodes in raccoon dogs (r s = 0.27, p = 0.001) and red foxes (r s = 0.17, p = 0.0002). A significantly higher (p = 0.003) A. alata metacercariae mean intensity was observed in juvenile raccoon dogs compared to the one observed in adult raccoon dogs and red foxes from both age groups. The presence of both A. alata developm…
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In other parts of Europe, the percentage of A. alata infected foxes differs depending on the investigation and region, from very high to moderate and low to areas where these trematodes were not detected.
“In other parts of Europe, the percentage of A. alata infected foxes differs depending on the investigation (and region) from very high [3,34], moderate, and low [1,8,12,18,19,35] to areas where these trematodes were not detected [17,36,37].”
From Distribution of Parasitic Helminths in the Small Intestine of the Red Fox (Vulpes vulpes) (2020) · cites this paper as [34]
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Distribution of Parasitic Helminths in the Small Intestine of the Red Fox (Vulpes vulpes)
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“alata infected foxes differs depending on the investigation (and region) from very high [3,34], moderate, and low [1,8,12,18,19,35] to areas where these trematodes were not detected [17,36,37].”
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Self-citation
- Authors
- Ozoliņa, Z., Bagrade, G., & Deksne, G.
- Affiliations
- Institute of Food Safety, Animal Health and Environment “BIOR” (LV)
- Latvian State Forest Research Institute "Silava" (LV)
- Corresponding author
- Ozoliņa, Zanda
- Venue
- Parasitology Research
- Published
- 2018-09-14
- Volume
- 117
- Issue
- 12
- Pages
- 3743-3751
- ISSN
- 0044-3255 (ISSN-L)
- 0932-0113
- 1432-1955
- OpenAlex
- W2891479926
- Cited by
- 10
- References
- 58
- Citations by year
- 2026: 1 · 2025: 1 · 2023: 1 · 2022: 2 · 2021: 1 · 2020: 3 · 2019: 1
- FWCI
- 0.94
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- www.springer.com/tdm (tdm)
- Locations
- Parasitology Research (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Environmental Science › Ecology › Parasite Biology and Host Interactions
- Health Sciences › Veterinary › Small Animals › Helminth infection and control
- Health Sciences › Medicine › Pathology and Forensic Medicine › Parasitic infections in humans and animals
- Keywords
- Alaria alata, trematode infection, wild canids, red fox, Nyctereutes procyonoides, grey wolf, host age, infection prevalence, infection intensity, metacercariae, life stages, primary infection, Latvia
- MeSH terms
- Age Factors, Animals, Foxes, Latvia, Population Density, Trematoda, Trematode Infections, Prevalence, Wolves, Raccoon Dogs, Parasite Load
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