Mandibular ossifying fibroma in 2 cattle in Brazil.

Ossifying fibroma (OF) is a slow-growing, expansive, and benign fibro-osseous neoplasm that is rare in cattle. It mainly affects the craniofacial bones, especially the mandible. Here, we report 2 cases of mandibular OF in Nelore and mixed-breed steers with enlarged masses in the rostral portion of the mandible.

Subacute and chronic toxic hepatopathy in cattle grazing pasture with .

This report describes subacute and chronic toxic hepatopathy in cattle due to poisoning. A total of 200 male Nellore cattle were introduced into a paddock contaminated with . After spending 20 days grazing in this area, 6 cattle became ill and died.

Gastrointestinal Helminths in Wild Felids in the Cerrado and Pantanal: Zoonotic Bioindicators in Important Brazilian Biomes.

Environmental changes in the Brazilian Pantanal and Cerrado facilitate the spread of parasitic diseases in wildlife, with significant implications for public health owing to their zoonotic potential. This study aimed to examine the occurrence and diversity of gastrointestinal parasites in wild felids within these regions to assess their ecological and health impacts. We collected and analyzed helminth-positive samples from 27 wild felids using specific taxonomic keys.

Evaluation of the toxicity of the hydroethanolic extract of the stem bark of Virola elongata (Benth.) Warb. in in vitro and in vivo models.

Ethnopharmacological Relevance: Virola elongata (Benth.) Warb. (Myrsticaceae), referred to as "mucuíba" in Mato Grosso, is a native tree species that can be found in the Amazon Rainforest regions of South America and the Tropical Forests of Central America.