Medicina Veterinária
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Trabalho acadêmico ou acadêmico é o texto (em sentido lato ou estrito) resultado de algum dos diversos processos ligados à produção e transmissão de conhecimento executados no âmbito das instituições ensino, pesquisa e extensão universitária, formalmente reconhecidas para o exercício dessas atividades.
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A UNIFEOB mantém uma política de pesquisa que tem como objetivo orientar as ações desenvolvidas nesse campo do conhecimento. As pesquisas têm alicerce em princípios e critérios de produção de conhecimento científico e tecnológico, seguindo normas éticas de pesquisa em seres humanos e animais e dissociada do ensino e da extensão. As atividades convergem com as diretrizes nacionais, visando o desenvolvimento sustentável social, econômico e ambiental.
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Item Análise microscópica e ultraestrutura do saco vitelino de equinos com até 47 dias de gestação(Centro Universitário da Fundação de Ensino Octávio Bastos, 2010-05-30) FERRAZ, Ana Claudia Cristiane; NASCIMENTO, Priscila Leal do; MANÇANARES, Celina de Almeida Furlanetto; FRANCIOLLI, André Luis Rezende; MIGLINO, Maria Angélica; AMBRÓSIO, Carlos Eduardo; CARVALHO, Ana Flávia deThis work aimed to describe microscopically the yolk sac of horses up to 47 days of gestation. To carry out this research, 37 placentas and embryos from 15 to 47 days of gestation were collected. The material was taken from adult, mixed breed mares in a slaughterhouse. Embryonic age was estimated according to the methodology used by EVANS SACK (1973). The embryos were destined for microscopic analysis. For analysis under light microscopy the fragments of the yolk sac membranes were fixed in 10% formaldehyde and Bouin followed by routine paraffin processing (TOLOSA et al; 2003). Serial slices with a thickness of 5μm were obtained in a microtome (Leica 2165®) which were submitted to staining by the methods of hematoxylin and eosin, picrosirius, Toluidine blue and Masson's trichrome (TOLOSA et al; 2003). Another part of the material was submitted to transmission and scanning electron microscopy. The yolk sac epithelium varied from globular to columnar, with uni or binucleated cells in a single layer, with a large amount of rough endoplasmic reticulum, distributed evenly, the epithelium supported on the mesenchyme forming vascular islands filled with hemangioblasts, being non-existent in animals older than 47 days of gestation; and characteristics of protein secretion.Item Análise macroscópica dos anexos embrionários e fetais de equinos em até 107 dias de gestação(Centro Universitário da Fundação de Ensino Octávio Bastos, 2009-09-30) FERRAZ, Ana Cláudia Cristiane; MANÇANARES, Celina Almeida Furlanetto; MIGLINO, Maria Angélica; AMBRÓSIO, Carlos Eduardo; CARVALHO, Ana Flávia deThe horse (Equus caballus, Linneaus 1758) is a large ungulate mammal of the Equidea family, one of the seven modern species of the Equus genus. Domesticated for thousands of years, it is an unparalleled animal, of unusual beauty, grace, sensitivity and athletic ability; a fascinating animal for study, as described by Evans et al. (nineteen ninety); Ginther (1992) and Dantzer et al. (1998). Because it is not a simple model, it offers a comprehensive range for research and challenges scientists. Equine placentation and its embryonic development are some of the issues to be explored. Thus, this study aimed to describe microscopically the embryonic attachments of the embryo / fetus of horses in the first four months of pregnancy. In order to carry out this research, 37 placentas of adult, mixed breed mares were collected and divided into groups at the different stages of development, following the methodology employed by EVANS SACK (1973), until 107 days of gestation, and were subsequently destined for the microscopy of light. The membrane fragments (corium, allantois, amnion and yolk sac) were fixed in 10% formalin and Bouin followed by routine paraffin processing (TOLOSA et al; 2003). Serial slices with a thickness of 5μm were obtained in a microtome (Leica 2165®) which were submitted to staining by the methods of hematoxylin and eosin, picrosirius, Toluidine blue and Masson's trichrome (TOLOSA et al; 2003). In the four groups, the amnion presented with a simple pavement epithelium and mesenchyme without any vascularization, only vascularization was evident when the amnion fused with the allantois, which is also a simple pavement epithelium. The corium presented villi with a low columnar epithelium and brushed edges, uni and binucleated cells, highly vascularized, and the size and quantity of villi differed from the groups. The yolk sac presented an epithelium whose cells were large and globular, resting on the mesenchyme, forming vascular islands full of hemangioblasts, being non-existent in animals from 47 to 107 days of gestation.Item Análise biométrica de embriões, fetos e das membranas placentárias de equinos.(Centro Universitário da Fundação de Ensino Octávio Bastos, 2008-11-30) FERRAZ, Ana Cláudia Cristiane; MANÇANARES, Celina Almeida Furlanetto; MIGLINO, Maria Angélica; AMBRÓSIO, Carlos Eduardo; CARVALHO, Ana Flávia deFor this study, embryos, fetuses and attached membranes of 23 concepts of mares from Frigorífico Miramar - Pelotas RS were used. Embryos and fetuses were analyzed for size and external developmental characteristics to analyze gestational age. The attached membranes were weighed and measured for later correlation with gestational ages. The results obtained so far indicate that the embryonic and fetal development of horses is very fast in the early stages of development, this being a critical period of placental implantation and the beginning of the endocrine activities of the placenta. The biometric data related to the umbilical cord are not progressive according to development, having shown great variations among the animals studied.