25° Encontro Acadêmico de Produção Científica do Curso de Medicina Veterinária (ENAVET)
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Item Megaesôfago secundário a persistência do quarto arco aórtico direito em felino: Relato de caso(Centro Universitário da Fundação de Ensino Octávio Bastos, 2024-10-09) TAGLIAFERRO, Karoline Saturnino; AZEVEDO, Giovana Helena da Silva; TORRES, Maria Lúcia MarcucciPersistence of the fourth right aortic arch is characterized by being a congenital vascular ring anomaly most commonly observed in dogs, considered rare in cats, comprising 95% of all vascular ring anomalies found in small animals. This condition results from malformations arising from changes in the embryogenesis of the aortic arches, where the right aortic arch persists in relation to the left aortic arch, leading to esophageal stenosis and, consequently, megaesophagus. The most evident clinical signs are regurgitation, weight loss, excessive appetite, apathy and discomfort after meals, in addition to dehydration and weakness, especially in puppies, in which dry food has recently been introduced. Respiratory signs may be associated with secondary aspiration pneumonia, due to megaesophagus. The diagnosis can be obtained through the analysis of clinical signs together with imaging tests, such as computed tomography, magnetic resonance imaging and simple or contrast radiography of the cervicothoracic region, where esophageal dilatation is visualized mainly with the contrast medium. Treatment is performed through a surgical procedure together with adjustment of dietary management, with a reserved prognosis, according to the clinical picture of each individual. Thus, the present study aims to describe the case report of persistent fourth aortic arch with secondary megaesophagus in a feline, in which the surgical procedure was performed as a treatment method.Item Malformações congênitas em bezerros decorrentes do consumo do bagaço de maçã na alimentação de vacas prenhes na região sul do país: Revisão de literatura(Centro Universitário da Fundação de Ensino Octávio Bastos, 2024-10-09) OLIVEIRA, Braian Rombaldo de; PEREIRA, Aline Aquino; CONCEIÇÂO, Juliana Costa Zuppi daApple pomace is widely used in cattle feed in most of the southern region of Brazil, and is composed of peels, stalks, leaves, seeds and pulp, with components such as fiber, sugars, low levels of lipids, proteins, vitamins and minerals. This product has been linked to congenital malformations in calves, resulting from the ingestion of pomace by the pregnant mother, although there is no evidence that this relationship actually exists. However, after several studies, it was found that it is not the apple pomace itself that causes the malformation, but rather the components present in this pomace, which may be pesticides used in apple production and cultivation that can cause mutagenicity, as well as mycotoxins that also cause mutagenicity. Another possible cause is manganese deficiency, due to excessive ingestion of apples, which have low levels of manganese in their pulp. The malformations caused by this are chondrodysplasia and dwarfism, and these diseases are recognized as diseases that hinder the growth and development of the animal, due to the conditions in which the animal is born, such as short, curved, rigid bones, and coarse joints. It is also possible to find malformations in organs, thus preventing their proper functioning. Thus, the objective of this work is to compile data from the literature, addressing the main causes of congenital malformations in calves from pregnant cows fed apple pomace in the southern region of the country.