期刊
PEERJ
卷 9, 期 -, 页码 -出版社
PEERJ INC
DOI: 10.7717/peerj.11601
关键词
Trichinella; Wildlife; Neotropics; Reservoir; Felidae; Mustelidae; Chile; Zoonoses; Mammals
资金
- Fondo Nacional de Desarrollo Cientifico y Tecnologico (ANID/FONDECYT) [11170294]
This study identified the presence of Trichinella in carnivore and omnivore vertebrates in central-southern Chile, with Leopardus guigna and Galictis cuja carrying Trichinella larvae. The larvae from L. guigna were identified as Trichinella spiralis, marking the first record of this species in a native mustelid of South America and in L. guigna. Further research is needed to determine the role of these and other hosts in the Trichinella cycle in Chile.
Background. Trichinellosis is a zoonotic disease with a worldwide distribution. It is caused by several species of nematodes in the genus Trichinella. Trichinella spp. are transmitted through predation or carrion consumption and occur in domestic and sylvatic cycles. In humans trichinellosis occurs due to the consumption of raw or undercooked, infected meat and is mainly associated with the household slaughter of pigs or the consumption of game animals without veterinary inspection, a cultural practice that is difficult to resolve. Therefore, knowledge of this parasite's reservoir is relevant for better implementing public health strategies. The aim of this study was to assess the presence of Trichinella sp. in several carnivore and omnivore vertebrates in central-southern Chile. Methods. We collected muscle tissue from a total of 53 animals from 15 species and were digested to detect Trichinella larvae which were further identified to species level using molecular techniques. Results. We detected Trichinella larvae in Leopardus guigna (Felidae) and Galictis cuja (Mustelidae). We identified the larvae collected from L. guigna as Trichinella spiralis, but we were unable to molecularly characterize the larvae from G. cuja. This is the first record of Trichinella in a native mustelid of South America and the first record of T. spiralis in L. guigna. This study identified two novel hosts; however, further work is needed to identify the role that these and other hosts play in the cycle of Trichinella in Chile.
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