294 resultados para Podologia equina
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Pós-graduação em Genética e Melhoramento Animal - FCAV
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Doppler ultrasonography is a new technology that has been study by researchers to improve the physiologic and pathologic knowledge about reproduction. This technology is based on Doppler-shifts frequencies or ultrasonic, these frequencies can be increase or decrease according to the movements of the red cells in the vessel. Color Doppler and power Doppler are the two possibilities to use the Doppler ultrasonography. Color Doppler is based in more the one color that show the direction of the blood f low and power Doppler is based in one color that change according of the flow intensity. Doppler ultrasonography can be demonstrated with the spectral mode to verify blood flow in large vessels, because of this, it is not use in equine reproduction. Studies in equine reproduction have been doing to verify uterus blood flow in cyclic mares and to observe the vascular perfusion in mares with cists, uterine vascular perfusion post breeding and verify the affects of drugs to decrease the uterus fluid in mares with problems in uterus perfusion. The ovarian irrigation during the estrus cycle was analyze with the measurement of the principal hormones during the estrus cycle in mares, the integrity of the corpus luteus, the irrigation of the future dominant follicle and the consequences in the ovarian irrigation after luteolyse induction also were study. Nevertheless, more than the knowledge that existed about Doppler ultrasonography, new studies have been doing to improve the forms to use Doppler ultrasonography in equine reproduction
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The equine locomotors system alterations are very frequent and corresponds a large portion of cases in equine medicine. The most equine veterinarian’s challenge is to do a precise diagnosis of lameness cause to perform a specific and proper treatment as early as possible. The navicular syndrome is considered responsible for one third of lameness causes and, although much studied, its etiology is still not fully understood. The most varied methods of diagnosis, such as x-ray, magnetic resonance, bursography, scintigraphy, computed tomography and ultrasound, have been used to assess podotrochlear apparatus situation in order to diagnose this syndrome. Among them transcuneal ultrasound can be used to observe some important structures such as the flexor surface of distal sesamoid bone, distal deep digital flexor tendon, distal sesamoid ligament entheses odd and the distal phalanx. The aim of this present paper is provide a brief review on the use and the technique of ultrasonography on third phalanx transcuneal region evaluation and its interpretation on navicular syndrome diagnosis in horses
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One of the main causes of incapacity in athletes, be they human or equines, is the occurrence of intra-articular lesions. The equines are each time more required in his athletic performance, resulting in intense stress to the structures that composes the locomotor device. The leading cause of human and equine athlete’s functional incapacity is the intra-articular disorders. One of the greatest advances in sports medicine was the development of arthroscopy as a minimal invasive intra-articular surgery. The defining characteristic of diagnostic or surgical arthroscopy is featured by minimal tissue damage and broad inspection of internal structures inside the joint associated with low morbidity and complications. The advantages of surgical arthroscopy over traditional surgery are well known: limited hospitalization, early return to competition, lower risks of post-operative joint rigidity, magnification of inspected structures, joint lavage associated or not with removal of potentially dangerous substances. Arthroscopy cannot replace conventional methods and must not do so; however, the intrinsic limitations of conventional diagnostic techniques, such as radiology and synovial fluid analysis, must be kept in mind, particularly in evaluating damage to cartilage and the synovial membrane. Arthroscopy has now become the accepted method of performing all joint surgery, however it is mainly used for radical surgery, such as osteochondral fragment removal, surgical curettage and arthroplasty
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The equine anesthesia is proven to be a high risk procedure, for both patient and anesthetist, compared to other animal species. In these conditions, a good anesthetic protocol that can deliver sedation, making access and manipulation easier, analgesia fair enough to realize cirurgical procedures, and minimal physiologic changes would be ideal. Since there aren’t any drugs suporting all these qualities, the Neuroleptoanalgesic Associations show themselves as a valuable technique to provide anesthetic quality and safety, possibly diminishing our drug of choice’s doses, therefore offering less fisiological changes and easier monetary access in some cases. This paper objective was to list all these associations found in literature, evaluating their advantages and practical applications
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Pós-graduação em Cirurgia Veterinária - FCAV
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Pós-graduação em Cirurgia Veterinária - FCAV
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Pós-graduação em Medicina Veterinária - FCAV
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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O diagnóstico genético pré-implantacional de embriões equinos já é uma realidade nos Estados Unidos e Argentina. Embora o Brasil seja líder mundial de transferência de embriões equinos, essa tecnlogia ainda está em fase de desenvolvimento, com poucos grupos atuando nessa área no país. O objetivo do presente projeto foi desenvolver a metodologia de micromanipulação e identificação do sexo de embriões equinos a campo. Dessa forma, selecionamos sequências específicas para padronização laboratorial dos ensaios de PCR com amostras de DNA da espécie equina. Os primers que apresentaram maior sensibilidade foram selecionados para a realização da PCR em biópsias embrionárias. Além das análises de biologia molecular, foi desenvolvida a técnica de micromanipulação de embriões equinos. Foram realizadas 105 biópsias de embriões pela técnica de microaspiração, permitindo a identificação do sexo pela técnica de WGA (Whole Genome Amplification) e posteriormente PCR seguido de eletroforese. Os embriões sexados foram transferidos para receptoras sincronizadas, permitindo a avaliação da taxa de concepção dos embriões submetidos à biópsia. Além disso, um embrião foi biopsiado, vitrificado e sexado. Após a identificação do sexo (fêmea) o embrião foi desvitrificado e transferido em receptora criteriosamente selecionada, resultando em prenhez
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Pós-graduação em Medicina Veterinária - FCAV
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A perda embrionária consiste em perda econômica significativa dentro do processo de criação de equinos e representa custos adicionais para os criadores decorrentes das repetidas coberturas de éguas durante a temporada reprodutiva, além da diminuição do número de potros nascidos. São consideradas perdas embrionárias aquelas que ocorrem até o 49º dia da gestação e são decorrente de diversos fatores maternos e/ou embrionários. Atualmente, com a utilização da ultrassonografia, pode-se observar a vesícula embrionária a partir do 11º dia pós-ovulação, sendo possível o diagnóstico precoce de tais perdas. Devido ao grande prejuízo econômico na reprodução equina decorrente de perdas gestacionais, o objetivo deste Trabalho de Conclusão de Curso foi realizar revisão de literatura sobre as principais causas da perda embrionária em éguas