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Culicoides spp. found near Lusitano stud farms in mainland Portugal which may contribute for IBH studies.
Abstract: Insect Bite Hypersensitivity (IBH) is a common cutaneous disease, affecting a large number of horses worldwide. Several studies have identified Culicoides spp. saliva as a clinically relevant allergen source. The prevalence of IBH in Portugal, particularly in Lusitano horses, is still not known. However, the environmental characteristics of the national territory are favorable to the activity of Culicoides, and several species of this genus can be found, namely C. imicola and C. obsoletus/C. scoticus. In this study we characterized the Culicoides population present in Lusitano stud farms with a history of IBH. Thirteen stud farms with Lusitano horses were selected in several regions of mainland Portugal for having a previous history of IBH-affected horses, with a minimum of 5 affected horses. Culicoides were collected in May and June 2016 using OVI traps, placed in these stud farms, and we were able to identify several Culicoides species. We could also verify that C. obsoletus/C. scoticus, and C. imicola were the ones most frequently found, but other species like C. pulicaris were also found.
Copyright © 2020 Elsevier B.V. All rights reserved.
Publication Date: 2020-02-14 PubMed ID: 32448527DOI: 10.1016/j.vprsr.2020.100385Google Scholar: Lookup The Equine Research Bank provides access to a large database of publicly available scientific literature. Inclusion in the Research Bank does not imply endorsement of study methods or findings by Mad Barn.
- Journal Article
- Research Support
- Non-U.S. Gov't
- Animal Science
- Culicoides
- Diagnosis
- Disease
- Disease control
- Disease Diagnosis
- Disease Etiology
- Disease Management
- Disease Prevalence
- Disease Surveillance
- Disease Treatment
- Epidemiology
- Equine Diseases
- Equine Health
- Genetics
- Horses
- Infection
- Insect Bite Hypersensitivity
- Stud Management
- Veterinary Medicine
- Veterinary Research
Summary
This research summary has been generated with artificial intelligence and may contain errors and omissions. Refer to the original study to confirm details provided. Submit correction.
The research article investigates the presence of a certain breed of insect, Culicoides spp., in Lusitano stud farms in Portugal, ensuring a better understanding of a common skin disease in horses, Insect Bite Hypersensitivity (IBH).
Understanding Insect Bite Hypersensitivity (IBH)
Insect Bite Hypersensitivity or IBH is a common skin disease that affects many horses around the world.
- The primary cause of IBH has been identified as the saliva of Culicoides spp.
- However, the prevalence of IBH in Portugal and particularly among Lusitano horses is currently unknown.
Culicoides Populations in Portugal
The environment in Portugal serves as a favorable habitat for the population and activity of Culicoides spp.
- Several species of Culicoides exist in the area, namely C. imicola and C. obsoletus/C. scoticus.
Research Methodology
The research aimed to explore the population of the Culicoides in Lusitano stud farms, given their history of IBH.
- Thirteen stud farms with Lusitano horses were selected, all of which had a record of at least five horses affected by IBH.
- These farms were spread across several regions of mainland Portugal.
- The collection of Culicoides was carried out in May and June 2016, using OVI traps placed in these farms.
Results and Findings
The research yielded significant findings about the species of Culicoides in these stud farms.
- Several species of Culicoides were identified through the study.
- C. obsoletus/C. scoticus and C. imicola were found to be the most common in the farms.
- Additionally, the study also discovered the presence of other Culicoides species, such as C. pulicaris, in the farms.
These findings could serve as a base for widen the scope of understanding about IBH and possible intervention strategies for its prevention and control in the Portuguese horse population.
Cite This Article
APA
Pessoa V, Ramilo DW, Pereira da Fonseca I, Ferreira MB, Marti E, Tilley P.
(2020).
Culicoides spp. found near Lusitano stud farms in mainland Portugal which may contribute for IBH studies.
Vet Parasitol Reg Stud Reports, 20, 100385.
https://doi.org/10.1016/j.vprsr.2020.100385 Publication
Researcher Affiliations
- Centre for Interdisciplinary Research in Animal Health (CIISA), Faculty of Veterinary Medicine, University of Lisbon, Lisbon, Portugal. Electronic address: verapuri@gmail.com.
- Centre for Interdisciplinary Research in Animal Health (CIISA), Faculty of Veterinary Medicine, University of Lisbon, Lisbon, Portugal.
- Centre for Interdisciplinary Research in Animal Health (CIISA), Faculty of Veterinary Medicine, University of Lisbon, Lisbon, Portugal.
- Faculty of Medicine, University of Lisbon, Portugal.
- Department of Clinical Research and Veterinary Public Health, Vetsuisse Faculty, University of Bern, Switzerland.
- Centre for Interdisciplinary Research in Animal Health (CIISA), Faculty of Veterinary Medicine, University of Lisbon, Lisbon, Portugal.
MeSH Terms
- Animals
- Ceratopogonidae / classification
- Ceratopogonidae / physiology
- Farms
- Female
- Horse Diseases / epidemiology
- Horse Diseases / parasitology
- Horses
- Hypersensitivity / epidemiology
- Hypersensitivity / immunology
- Hypersensitivity / parasitology
- Hypersensitivity / veterinary
- Incidence
- Insect Bites and Stings / epidemiology
- Insect Bites and Stings / parasitology
- Insect Bites and Stings / veterinary
- Male
- Portugal / epidemiology
Conflict of Interest Statement
Declaration of Competing Interest None declared.
Citations
This article has been cited 3 times.- Prudhomme J, Bardet C, Rakotoarivony I, Garros C, Bouhsira É, Lienard E. Local investigation into the role of Culicoides species diversity (Diptera: Ceratopogonidae) in recurrent horse dermatitis cases in southwest France. Parasit Vectors 2025 Mar 5;18(1):86.
- Bao S, Lu X, Xiang S, Hou X. Establishment of a mouse allergy model for Culicoides (Diptera: Ceratopogonidae). Vet Med Sci 2024 May;10(3):e1462.
- Pessoa VC, Branco-Ferreira M, Jónsdóttir S, Marti E, Tilley P. Comparison of Skin Prick Tests (SPT), Intradermal Tests (IDT) and In Vitro Tests in the Characterization of Insect Bite Hypersensitivity (IBH) in a Population of Lusitano Horses: Contribution for Future Implementation of SPT in IBH Diagnosis. Animals (Basel) 2023 Aug 28;13(17).
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