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Scioscia NP, Olmos L, Gorosábel A, Bernad L, Pedrana J, Denegri GM. Natural infection in Pampas fox (Lycalopex gymnocercus) by Lagochilascaris major Leiper, 1910 (Nematoda: Ascarididae) in Buenos Aires, Argentina. Parasitol Res 2018; 117:3023-3027. [PMID: 29938376 DOI: 10.1007/s00436-018-5978-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Accepted: 06/15/2018] [Indexed: 11/30/2022]
Abstract
Lagochilascariosis is an emerging parasitic disease limited to the American continent, caused by nematodes of the genus Lagochilascaris. Its life cycle is heteroxenous, involving natural definitive hosts (wild carnivores), accidental hosts (domestic carnivores and humans), and intermediate hosts (rodents). Here we report, for the first time, the occurrence of Lagochilascaris major in female of a Pampas fox (Lycalopex gymnocercus) which was found in the Mar Chiquita basin, Buenos Aires province, Argentina. At necropsy, multiple Lagochilascaris larvae and several adults (1 female and 5 male) were observed inserted in the mucosa of the trachea and a male was also collected in the stomach. The diagnosis was made by observing the different stages with optical microscopy, by scanning electron microscopy of adult males and coproparasitological analysis. Although cases of lagochilascariosis have been reported in wildlife in different countries of the American continent, in Argentina, cases are really rare and were only found in domestic cats. Graphical abstract ᅟLagochilascariosis is an emerging parasitic disease limited to the American continent. In Argentina, sporadic cases of Lagochilascariosis were reported in domestic cats but this work represents the first record in a wild carnivore (L. gymnocercus) naturally infected with L. major.
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Affiliation(s)
- Nathalia Paula Scioscia
- Instituto de Investigaciones en Producción, Sanidad y Ambiente (IIPROSAM), Facultad de Ciencias Exactas y Naturales, UNMdP, Funes 3350, 7600, Mar del Plata, Argentina. .,Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina.
| | - Leandro Olmos
- Grupo Sanidad Animal, EEA Balcarce, INTA, Ruta 226 km 73.5, Balcarce, Argentina
| | - Antonella Gorosábel
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina.,Grupo Recursos Naturales y Gestión Ambiental, EEA Balcarce, INTA, Ruta 226 km 73.5, Balcarce, Argentina
| | - Lucía Bernad
- Grupo Recursos Naturales y Gestión Ambiental, EEA Balcarce, INTA, Ruta 226 km 73.5, Balcarce, Argentina
| | - Julieta Pedrana
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina.,Grupo Recursos Naturales y Gestión Ambiental, EEA Balcarce, INTA, Ruta 226 km 73.5, Balcarce, Argentina
| | - Guillermo María Denegri
- Instituto de Investigaciones en Producción, Sanidad y Ambiente (IIPROSAM), Facultad de Ciencias Exactas y Naturales, UNMdP, Funes 3350, 7600, Mar del Plata, Argentina.,Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
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Castro O, Venzal JM, Félix ML. Two new records of helminth parasites of domestic cat from Uruguay: Alaria alata (Goeze, 1782) (Digenea, Diplostomidae) and Lagochilascaris major Leiper, 1910 (Nematoda, Ascarididae). Vet Parasitol 2008; 160:344-7. [PMID: 19117682 DOI: 10.1016/j.vetpar.2008.11.019] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2008] [Revised: 11/14/2008] [Accepted: 11/17/2008] [Indexed: 11/28/2022]
Abstract
Eight helminth taxa were recovered from the necropsy of four stray domestic cats from Colonia Miguelete, county of Colonia, Uruguay. Two of them are recorded for the first time for domestic cats in that country: Alaria alata (Goeze, 1782) from the small intestine (which is also the first trematode species found in domestic cat in Uruguay), and Lagochilascaris major Leiper, 1910 from the pharynx. The remaining helminth species found were Toxocara mystax (Zeder, 1800) and Spirometra sp. from the small intestine, Trichuris serrata (von Linstow, 1879) from the caecum, Eucoleus aerophilus (Creplin, 1839) from the trachea, and Pearsonema feliscati (Diesing, 1851) from the urinary bladder. Moreover, four female specimens of an unidentified Spiruroidea were collected from the stomach and small intestine of one host.
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Affiliation(s)
- O Castro
- Departamento de Parasitología Veterinaria, Universidad de la República, Av. Alberto Lasplaces 1620, CP 11600 Montevideo, Uruguay.
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