Publications by authors named "Mafalda Magalhaes"
The rise of antibiotic resistance in the food chain is influenced by the use of antimicrobial agents, such as antibiotics, metals, and biocides, throughout the entire farm-to-fork continuum. Besides, non-clinical reservoirs potentially contribute to the transmission of critical pathogens such as multidrug-resistant (MDR) . However, limited knowledge exists about the population structure and genomic diversity of circulating in conventional poultry production.
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- The pet industry, particularly raw meat-based diets (RMBDs), is growing globally, raising concerns about their safety and potential to spread antibiotic-resistant bacteria or zoonotic pathogens.
- A study analyzed 55 samples from various dog food brands in Portugal and found that all contaminated samples came from RMBDs, with many containing multiple drug-resistant strains, including those similar to clinical isolates found in humans.
- Results indicate that some RMBDs available in Portugal can carry antibiotic resistance genes, particularly to colistin, suggesting a need for regulatory and industry actions to mitigate health risks associated with pet food.
Concerns about colistin-resistant bacteria in animal food-environmental-human ecosystems prompted the poultry sector to implement colistin restrictions and explore alternative trace metals/copper feed supplementation. The impact of these strategies on the selection and persistence of colistin-resistant Klebsiella pneumoniae in the whole poultry production chain needs clarification. We assessed colistin-resistant and copper-tolerant K.
View Article and Find Full Text PDFRationale And Objectives: The aim of this study was to correlate acoustic radiation force impulse (ARFI) imaging velocities with the pathology results and to evaluate the ability of ARFI in distinguishing benign from malignant breast lesions.
Materials And Methods: B-mode ultrasonography (US) and ARFI were performed in patients with previously diagnosed and selected breast lesions for biopsy. Shear wave velocity (SWV) was measured inside lesions and in the surrounding parenchyma (m/s).