Beatriz Sofia Gomes Alves
Epidemiology of a Hybrid Swarm: Evidence of 11 Feline Infectious Agents Circulating in a Population of Sympatric European Wildcat Hybrids and Free-Living Domestic Cats, in Scotland
Sofia Gomes Alves, Beatriz; Bacon, Alice; Langridge, Keri; Papasouliotis, Konstantinos; Handel, Ian; Anderson, Neil; Meredith, Anna
Authors
Alice Bacon
Keri Langridge
Konstantinos Papasouliotis
Ian Handel
Neil Anderson
Professor Anna Meredith a.l.meredith@keele.ac.uk
Abstract
Hybridisation between wild and domestic species poses a serious challenge to conservation management and can, potentially, lead to extinction. Alongside it, disease transmission will inevitably occur. However, the link between these two phenomena has historically been neglected. In Scotland, the European wildcat is particularly threatened by hybridisation with the domestic cat, a process promoted by long-term habitat loss, human encroachment, and persecution. Between 2015 and 2019, free-living cats (n = 120) were captured in six conservation priority areas of northern Scotland. Samples were collected for infectious disease screening (feline immunodeficiency virus, feline leukaemia virus, feline calicivirus, feline herpesvirus, Chlamydia felis, Mycoplasma felis, Bordetella bronchiseptica, Mycoplasma haemofelis, Candidatus Mycoplasma haemominutum, Candidatus Mycoplasma turicensis, and Tritrichomonas foetus) and genetic analysis. Polymerase chain reaction and reverse transcriptionPCR were used to detect infectious DNA or RNA, respectively. The hybrid score (Q) for each individual cat was determined using a 35-SNP-marker test. Statistical analysis investigated the association between Q and probability of infection, accounting for spatial clustering. The results confirmed the presence of 11 infectious agents circulating in the free-living cat population of northern Scotland, which consists of a hybrid swarm between F. silvestris and F. catus. For eight of them (feline leukaemia virus, feline herpesvirus C. felis, B. bronchiseptica, M. felis, M. haemofelis, Ca. M. haemominutum, and T. foetus), there was no significant association between infection probability and Q, supporting our hypothesis that the hybrid swarm may be functioning as a single epidemiological unit. Considering the impact of infectious diseases on health, welfare, and population dynamics of domestic cats, their presence in the extremely fragile and hybridised population of F. silvestris in Scotland could be population limiting or, potentially, contribute to local extinction. Comprehensive disease surveillance, risk analysis, and domestic cat management will be essential for the European wildcat conservation, particularly where hybridisation is increasing and anthropogenic factors are prevalent.
Citation
Sofia Gomes Alves, B., Bacon, A., Langridge, K., Papasouliotis, K., Handel, I., Anderson, N., & Meredith, A. (2023). Epidemiology of a Hybrid Swarm: Evidence of 11 Feline Infectious Agents Circulating in a Population of Sympatric European Wildcat Hybrids and Free-Living Domestic Cats, in Scotland. Transboundary and Emerging Diseases, 2023, Article 6692514. https://doi.org/10.1155/2023/6692514
Journal Article Type | Article |
---|---|
Acceptance Date | Sep 11, 2023 |
Online Publication Date | Oct 5, 2023 |
Publication Date | Oct 5, 2023 |
Deposit Date | Mar 19, 2024 |
Journal | Transboundary and Emerging Diseases |
Print ISSN | 1865-1674 |
Publisher | Wiley |
Peer Reviewed | Peer Reviewed |
Volume | 2023 |
Article Number | 6692514 |
DOI | https://doi.org/10.1155/2023/6692514 |
Publisher URL | https://www.hindawi.com/journals/tbed/2023/6692514/ |
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