Unidad Posgrado Facultad Ingeniería Agronómica

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    Factores de riesgo asociados a enfermedades causadas por nematodos y cestodos endoparásitos en cerdos en el Centro de Faenamiento Pelileo
    (2024-10) Lascano Gualpa, Rosa Obdulia; Almeida Secaira, Roberto Ismael
    Incidence of internal parasites affects pig production, which not only causes significant economic losses in livestock production worldwide, but also implies a risk to the health of people involved in this type of industry and consumers of meat. of pork. Thus, the present study was carried out in order to analyze the risk factors associated with diseases caused by endoparasite nematodes and cestodes in pigs at the Pelileo Slaughter Center during the period 2023-2024. Diagnosis of parasite species was carried out following the procedures established by the Ministry of Agriculture, Livestock, Agriculture and Fisheries with its attached entity AGROCALIDAD (Agency for Phyto and Zoosanitary Regulation and Control). The species were found: Ascaris sp. and Hyostrongylus sp. (Nematoda) and larval phase of Cisticercus tenuicollis and the hydatidic cyst (Cestoda) mainly associated with the liver of pigs. The highest prevalence was observed for Ascaris sp. infections (21.07%) followed by larvae of Echinococcus granulosus (19.73%) and Hyostrongylus sp. (5.87%), while double Ascaris-Hyostrongylus infections were relatively low (1.33%) as well as infections by hydatidic cysts (1.07%). Regarding risk factors, it was found that age was associated with the prevalence of parasites, being higher in pigs less than 1 year old. Regarding the location within the host, parasites were mainly found in organs that make up part of its biological cycle. On the other hand, no association was found with the sex of the host. According to the results, the prevalence of Ascaris and metacestods of Echinococcus seems to be related to herd management factors, however, this aspect requires investigation.