Identification of the intermediate host of Gongylonema sp., the etiological agent of the necrotic oropharyngeal disease of the Scops owl (Otus scops)

Lopes, Francisca Elizandra Batista da Silva Oliveira; Esperón, Fernando; Bravo‐Barriga, Daniel; Frontera, Eva; Gil‐Tapetado, Diego; Orejas, Patricia; Alonso, Raúl

doi:10.1016/j.parint.2021.102443

Cited by 2 publications

(12 citation statements)

References 9 publications

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“…The diet of this species in Madrid seems to differ from that of their non-urban conspecifics, as they frequently prey on cockroaches. Lopes et al (2022) describe cockroaches in Madrid's parks as the most abundant prey, representing 51% of the potential prey for the Scops Owl, and being one of the few available prey species with nocturnal habits. This issue makes cockroaches abundant, conspicuous and available.…”

Section: Discussionmentioning

confidence: 99%

“…in locations with a higher proportion of green spaces within the home-range of the breeders (Table 2). Scops Owls in the city use green areas as nesting and breeding sites (Lopes et al 2022). Oriental cockroach reports (see Fig.…”

Section: Discussionmentioning

confidence: 99%

“…To represent the feeding area of each breeding pair, a 150-m buffer was established. This was the maximum distance that parents move away from the nest to hunt, based on movement of individuals tracked with radio-transmitters (Lopes et al 2022).…”

Section: Variable Selectionmentioning

confidence: 99%

“…In Madrid, Scops Owl chicks infected with undescribed species of Gongylonema (Nematoda) can develop a disease called necrotic oropharyngeal disease (NOD; Esper on et al 2013). Since 1997, 90% of nestlings and fledglings have annually shown severe proliferative necrotic lesions in their oral cavities, which can lead to death by starvation (Lopes et al 2022). It has only been detected in chicks less than 3 weeks of age.…”

mentioning

confidence: 99%

“…of Scops Owl in Madrid. Almost 67% of analysed cockroaches in this city were infected, and cockroaches are the most common prey that adults provide to the chicks in this area (Lopes et al 2022). In Madrid, this cockroach is considered a common and annual pest, even causing public health concerns (Madrid Salud 2016).…”

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confidence: 99%

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Disease prevalence in an urban raptor related to pest species: The case of Eurasian Scops Owl Otus scops infection by Gongylonema sp.

Hernández‐Téllez

Martínez-Miranzo

Gil‐Tapetado

et al. 2023

Ibis

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Urbanization is often associated with homogenization, including the homogenization of biodiversity and overpopulation by generalist species that can change community and disease dynamics. In Madrid, nestlings of Eurasian Scops Owl Otus scops frequently suffer necrotic oropharyngeal disease as a result of infection by Gongylonema sp., a parasitic nematode transmitted by adult owls to their offspring through the diet, more specifically through consumption of a pest species: the oriental cockroach Blatta orientalis. We studied how the presence of cockroaches and owl infection rates are affected by urban features such as green areas. We found that a higher number of birds were affected by the parasite in the initial period of the breeding season and in areas with greater surface area of green spaces. We suggest that urban management should promote the diversity of insects in green areas so that the owls diversify their dietary offer to their offspring, to reduce the prevalence of the disease and improve their breeding success in the city of Madrid, as this problem has not yet been described in other cities.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Variable Selectionmentioning

confidence: 99%

mentioning

confidence: 99%

mentioning

confidence: 99%

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Disease prevalence in an urban raptor related to pest species: The case of Eurasian Scops Owl Otus scops infection by Gongylonema sp.

Hernández‐Téllez

Martínez-Miranzo

Gil‐Tapetado

et al. 2023

Ibis

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First Molecular Data of Gongylonema pulchrum (Rhabditida: Gongylonematidae) in European Fallow Deer Dama dama from Romania

Popovici,

Marin,

Ionescu

et al. 2024

Pathogens

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Due to its adaptive versatility to numerous types of habitats, extremely diverse both in terms of composition and specificity, developed in various areas of the Western Plains of Romania, the European fallow deer (Dama dama) is a species with high ecological plasticity. In this area, the D. dama interacts with other species of wild fauna but also with numerous domestic animals, an important aspect in terms of the sanitary-veterinary status of animal populations, as well as the existence of a potential risk of infection with various species of parasites that can cause the D. dama specimens to obtain certain diseases and even zoonoses. A total of 133 esophagi from D. dama have been examined for helminths. Of the 133 esophagus samples from D. dama, nematodes of the genus Gongylonema were identified in 25 (18.80%). Sequencing revealed that the nematode identified in the samples was 99% similar to the sequence of Gongylonema pulchrum (GenBank no. LC026018.1, LC388754.1, AB646061). The present research is the first report of the nematode G. pulchrum from D. dama in Romania.

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Identification of the intermediate host of Gongylonema sp., the etiological agent of the necrotic oropharyngeal disease of the Scops owl (Otus scops)

Cited by 2 publications

References 9 publications

Disease prevalence in an urban raptor related to pest species: The case of Eurasian Scops Owl Otus scops infection by Gongylonema sp.

Disease prevalence in an urban raptor related to pest species: The case of Eurasian Scops Owl Otus scops infection by Gongylonema sp.

First Molecular Data of Gongylonema pulchrum (Rhabditida: Gongylonematidae) in European Fallow Deer Dama dama from Romania

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