Publications by authors named "Joao Paulo Rodrigues"
Fungal strains used in the biocontrol of animal gastrointestinal parasites have been mainly isolated from pasture soil, decaying organic matter, and feces from herbivores and carnivores. However, their isolation from birds and assessment of predatory activity against avian GI parasites has been scarce thus far. This research aimed to isolate filamentous fungi from avian fecal samples and evaluate their predatory activity against coccidia.
View Article and Find Full Text PDFThe main objective of this study was to investigate the dynamic of SARS-CoV-2 viral excretion in rectal swab (RS), saliva, and nasopharyngeal swab (NS) samples from symptomatic patients and asymptomatic contacts. In addition, in order to evaluate the replication potential of SARS-CoV-2 in the gastrointestinal (GI) tract and the excretion of infectious SARS-CoV-2 from feces, we investigated the presence of subgenomic nucleoprotein gene (N) mRNA (sgN) in RS samples and cytopathic effects in Vero cell culture. A prospective cohort study was performed to collect samples from symptomatic patients and contacts in Rio de Janeiro, Brazil, from May to October 2020.
View Article and Find Full Text PDFArticle Synopsis
- Mini-FLOTAC (MF) is a more sensitive and precise method for detecting gastrointestinal parasites in birds compared to the McMaster method, and was tested for diagnosing coccidia and helminth infections in various bird collections in Portugal.
- A total of 142 fecal samples were analyzed from different bird species, revealing higher parasite shedding levels in peacocks, particularly in one collection, and confirmed several parasitic infections across various bird types.
- The MF protocol demonstrated better relative sensitivities and specificities for identifying avian intestinal parasites, suggesting it may be a superior alternative to the McMaster method for diagnosing these infections in bird fecal samples.