4.5 Editorial Material

Felid Parasitoses, New Insights and Open Perspectives

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Felid Cardiopulmonary Nematodes: Dilemmas Solved and New Questions Posed

Donato Traversa et al.

Summary: In the past decade, research on cardiopulmonary nematodes affecting felids has become a core topic in small animal parasitology, leading to increased studies and unexpected findings stimulating investigation of these parasites. New data has shown the key role of Aelurostrongylus abstrusus and Troglostrongylus brevior in causing respiratory infections in domestic cats, while other species have been deemed of negligible importance.

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Parasites of the Reintroduced Iberian Lynx (Lynx pardinus) and Sympatric Mesocarnivores in Extremadura, Spain

Ana M. Figueiredo et al.

Summary: The Iberian lynx is one of the most endangered felid species in the world, with efforts to increase population size and genetic diversity. Infectious and parasitic diseases pose a threat to the health of reintroduced populations, with the lynx showing higher parasite diversity and prevalence compared to other mesocarnivores. Surveillance programs should monitor not only the lynx but also other carnivores and cat communities to prevent parasite transmission.

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Review Microbiology

Cat Respiratory Nematodes: Current Knowledge, Novel Data and Warranted Studies on Clinical Features, Treatment and Control

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Summary: The nematodes Aelurostrongylus abstrusus, Troglostrongylus brevior, and Capillaria aerophila are gaining increasing attention as primary causes of respiratory diseases in cats. Recent studies have focused on enhancing knowledge, providing insights, and addressing gaps in understanding respiratory parasitoses in felines. Awareness of clinical scenarios, timely diagnosis, and effective treatment options are key priorities, while efforts to evaluate chemopreventative approaches are being made to curb the spread of these parasites and the rise in clinical cases worldwide.

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Endoparasites of European Wildcats (Felis silvestris) in Greece

Anastasia Diakou et al.

Summary: The study investigated the occurrence of endoparasites in European wildcats in Greece, finding that all necropsied wildcats were infected by different parasite taxa, and a majority of faecal samples were also positive. Some of the parasites identified are common in domestic and wild felids, while others, newly described in the European wildcat, have significant pathogenic potential that could pose a threat to infected felids and human health under specific circumstances.

PATHOGENS (2021)

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Aelurostrongylus abstrusus Infections in Domestic Cats (Felis silvestris catus) from Antioquia, Colombia

Sara Lopez-Osorio et al.

Summary: Although Aelurostrongylus abstrusus infections have been sporadically reported in domestic cats in Colombia, there is still lack of data on the epidemiology and biology of this parasite. This study aimed to evaluate the occurrence of A. abstrusus infections in domestic cats in Antioquia, Colombia, and found a 0.4% infection rate. Despite the effectiveness of the Baermann funnel technique for diagnosing feline aelurostrongylosis, it is not well-known among Colombian veterinarians. This survey intends to raise awareness about this neglected parasitic disease and serve as a baseline study for future monitoring in both domestic and wild feline species in Colombia.

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Efficacy of Oral Sarolaner for the Treatment of Feline Otodectic Mange

Diefrey Ribeiro Campos et al.

Summary: The study showed that oral administration of sarolaner was effective in controlling otodectic mange in naturally infested cats, with 100% efficacy achieved 48 hours after treatment.

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Article Microbiology

Do All Roads Lead to Rome? The Potential of Different Approaches to Diagnose Aelurostrongylus abstrusus Infection in Cats

Katharina Raue et al.

Summary: Infection with cat lungworm can result in both subclinical and severe respiratory signs. Diagnostic imaging, including computed tomography (CT), can provide a clearer diagnosis and monitoring of disease progression, as well as serve as an alternative to post mortem examination and worm counts in anthelmintic efficacy studies. After anthelmintic treatment, pulmonary imaging findings improved back to normal within 6-24 weeks.

PATHOGENS (2021)

Article Microbiology

First Case of Clinical Cat Aelurostrongylosis in the Brazilian Amazon: Clinical and Molecular Insights

Wilison da Silva Lima et al.

Summary: This study described the first case of cat aelurostrongylosis in the Brazilian Amazon region, with one out of 81 cats testing positive for A. abstrusus parasite and showing radiographic changes, while another cat tested positive but remained apparently healthy with no thoracic alterations.

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Canine and Feline Parasitology: Analogies, Differences, and Relevance for Human Health

Simone Morelli et al.

Summary: This review discusses the most common parasitoses and vector-borne diseases of dogs and cats, emphasizing the differences, similarities, and peculiarities of canine and feline parasitology.

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Article Microbiology

Validation of the Use of Dried Blood Samples for the Detection of Toxoplasma gondii Antibodies in Stray Cats (Felis s. catus)

Julie Alice Simon et al.

Summary: The study validated the use of dried blood on blotting paper (BP samples) for detecting antibodies against Toxoplasma gondii in stray cats, with substantial to excellent agreement and high reliability compared to serum testing. Using multiple cut-off values is recommended for expressing results from BP samples.

PATHOGENS (2021)

Article Microbiology

Seroprevalence of Toxoplasma gondii in Cats from Cyprus

Charalampos Attipa et al.

Summary: The study found that 32.3% of cats in Cyprus were infected with T. gondii, with factors such as feline immunodeficiency virus and lack of vaccination history being associated with seropositivity. This research highlights the importance of raising public awareness to prevent infection in animals and humans.

PATHOGENS (2021)

Article Microbiology

Aelurostrongylus abstrusus Antibody Seroprevalence Reveals That Cats Are at Risk of Infection throughout Germany

Manuela Schnyder et al.

Summary: A study conducted in Germany found that most cats infected with the metastrongylid nematode Aelurostrongylus abstrusus do not show symptoms, and the infection rate is underestimated. All cats with outdoor access are at risk of infection, highlighting the importance of raising awareness and increasing infection detection rates for this disease.

PATHOGENS (2021)

Article Microbiology

Intestinal Parasites of Neotropical Wild Jaguars, Pumas, Ocelots, and Jaguarundis in Colombia: Old Friends Brought Back from Oblivion and New Insights

Manuel Uribe et al.

Summary: This study aimed to characterize gastrointestinal parasites of four out of six Neotropical wild felid species endemic to Colombia. The results demonstrate the potential role of these felids as natural reservoir hosts for neglected zoonotic parasites and highlight their possible role in parasite transmission to human communities. Monitoring the occurrence of these parasites in the future is crucial for appropriate zoonotic management practices in conservation strategies and wild felid health management programs.

PATHOGENS (2021)