4 results for “Ednaldo Silva Filho”

Research ArticleOpen accessIn the author namesMolecular Diagnosis of Toxoplasma gondii in Free-Range Chickens (Gallus gallus) Sold at Fairs in the Metropolitan Region of Macapá–AP (Brazil)Paulo Tarso Tavares Santana, Washington Luiz Assunção Pereira, Rafaelle Casseb Guimarães et al.The informal commercialization of free-range poultry in open markets poses potential food safety risks regarding zoonotic pathogens. This investigation molecularly and histopathologically screened for Toxoplasma gondii in 36 free-range chickens acquired from 12 prominent markets in metropolitan Macapá, Amapá State. Paired heart and brain tissue samples from each animal were processed via conventional PCR and conventional histology. The pathogen was … …American Journal of Animal and Veterinary Sciences, Vol. 21, Issue 2 · 2 Jul 2026 · 1,080 accessesView PDF Cite

Research ArticleOpen accessIn the author namesGenetic Characterization of a Bovine Breed (Tabapua) Under Artificial Selection Located in the Amazon RegionJose Elivalto Guimaraes Campelo, Marcone Helmer da Silva, Ednaldo da Silva Filho et al.Brazil currently has the biggest commercial bovine cattle population in the world. Several different breeds that come from Europe and India compose it. They are primarily used for dairy and meat production. In Brazil, several high quality genetic background cattle are kept in a condition known as pure breed, meaning no other animal of different genetic background is interbreeding with … …American Journal of Animal and Veterinary Sciences, Vol. 7, Issue 4 · 30 Jan 2013 · 7,558 accessesView PDF Cite