Identificador persistente para citar o vincular este elemento: https://accedacris.ulpgc.es/handle/10553/143348
Título: Thelazia callipaeda (Spirurida, Thelaziidae): First record of an imported ocular parasite in dogs from the Canary Islands, Spain
Autores/as: Garcia-Livia, Katherine
Santana-Hernández, Kevin M. 
Udiz-Rodríguez, Raquel
Valladares-Salmerón, María
Pacheco, Sandra
Valladares, Basilio
Rodríguez Ponce, Eligia 
Foronda, Pilar
Clasificación UNESCO: 3109 Ciencias veterinarias
320109 Oftalmología
Palabras clave: Canary Islands
Dogs
Gran Canaria
Ocular Parasite
Spain, et al.
Fecha de publicación: 2025
Publicación seriada: Veterinary Parasitology: Regional Studies and Reports 
Resumen: The ocular parasite Thelazia callipaeda is a nematode transmitted by dipterans of the genus Phortica that affects various species of domestic and wild carnivores and, sporadically, humans. Although the presence of this parasite has been widely documented on the Iberian Peninsula, no cases have been reported in the Canary Islands (Spain). In the present study, ocular parasitosis in dogs from Tenerife and Gran Canaria are reported. The affected animals, a nine-year-old Border Collie, a five-year-old Labrador Retriever and a three-year-old crossbreed dog, presented clinical signs compatible with ocular thelaziosis, including epiphora, conjunctivitis, uveitis and blepharospasm. Additionally, the three dogs had a history of travel to parasite-endemic regions. During ophthalmologic examination, nematodes were observed in the conjunctiva, and were extracted and analyzed by morphometric keys and molecular techniques. The results confirmed that the ocular infection of all dogs was caused by T. callipaeda, representing the first documented cases of this parasitosis in the Canary Islands. Given the geographical isolation of this archipelago and the absence of previous records of this parasite, these findings suggest that the introduction of T. callipaeda into the Canary Islands may be related to the movement of the infected animals. It is essential to enhance epidemiological surveillance to assess the risk of establishment of the parasite and its vector, as well as its possible autochthonous transmission.
URI: https://accedacris.ulpgc.es/handle/10553/143348
ISSN: 2405-9390
DOI: 10.1016/j.vprsr.2025.101313
Fuente: Veterinary Parasitology: Regional Studies and Reports [EISSN 2405-9390], v. 63, (Agosto 2025)
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