Prevalencia de Sarcocystis spp. en musculo cardiaco de llamas (Lama glama) y alpacas (Vicugna pacos)

The research was carried out in the municipality of Curahuara de Carangas corresponding to the First Section of theSajama Province of the Department of Oruro-Bolivia, with the objective of determining the prevalence of Sarcocystisspp., 383 hearts, 229 llamas and 154 alpacas were selected slaughtered for commercial purposes, through theregistration form according to species, category and pathological effect, during the months of March to September2016. After in-situ evaluation, making histopathological cuts, the positive samples were sent to the Animal Healthlaboratory of the Faculty of Agrarian and Natural Sciences, Technical University of Oruro. The results indicate atotal of 131 positive alpacas (85.06%) and 23 negative (14.94%), 167 positive llamas (72.93%) and 62 negative(27.07%). On microscopic examination the histopathological alterations of the positive samples to Sarcocystislamacanis, these being: eosinophilic infiltration, vascular congestion and degeneration of myocardial fibers.The results indicate that this parasitosis is a problem in the breeding of camelids and the data would be an indicatorof contamination of grasslands or grazing areas, which requires the implementation of sanitation control policies inthe areas dedicated to these processes.