Browsing by Author "Molina Diaz, Maria Margarita"
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Item Parásitos gastrointestinales en crías de Zarigüeya común () en un hogar de paso de Santiago de Cali(Universidad Santiago de Cali, 2025-11-22) Molina Diaz, Maria Margarita; Castillo Aguirre, Esteban; Bermeo Sierra, Marta Liliana (Directora)Wildlife supports key ecological processes; the common opossum Didelphis marsupialis participates in seed dispersal and biological control. The purpose of this study is to fill a gap in the national literature on parasitism in newborns of this species and generate useful information for diagnostic, treatment, and management protocols that improve care in rehabilitation centers and prevent zoonotic hazards. The presence of gastrointestinal endoparasites in offspring cared for at the DAGMA foster home in Santiago de Cali and its relationship with the clinical status of admission were characterized. A 3-month descriptive and analytical study was conducted on 30 orphaned offspring weighing 50– 100 g, with standardized registration, stool collection by stimulation, and diagnosis by Sheather flotation with readings at 100×/400×; the analysis was performed in Excel. The results showed 26.7% positivity for protozoa, with a predominance of Trichomonas spp. (20.0%) and detection of Giardia sp. (6.7%; cysts and trophozoites), the majority asymptomatic, with no helminth eggs, and outcomes of 63.3% released and 36.7% dead, with a higher incidence in the urban south. The discussion interpreted a mostly subclinical parasitosis, conditioned by age and pre-patent windows, and emphasized that sucrose flotation is useful for screening, but limited for larvae and certain cysts. Therefore, it is proposed to complement it with specific techniques and serial samples, in addition to consolidating the shelter as a sentinel node for public health and conservation. The conclusions emphasize individualizing therapies based on signs and burden, avoiding mass treatments, and strengthening documentary standardization and the coprodiagnostic algorithm to improve traceability, efficacy, and community education, with declared scientific, social, and environmental impacts.