977 resultados para Bovino - Doenças - Prevenção


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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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There are diseases in vertebrates associated with the structure of bone tissue that directly affect the locomotor system of the animal. Being a endoskeleton, the diagnosis of these diseases becomes difficult in vivo. The characterization of the physical structure of the bone tissue of healthy animals becomes a major tool in the diagnosis comparison of live animals. Thus, the objective of this work is to determine the average value of the key physical properties of the bone structure used in the clinical diagnosis, such as: bone density, porosity, and mass attenuation coefficient of 59.6 keV photons of bone tissue and bovine and equine check variations in these values. The samples were provided by the pathology department of the Faculty of Veterinary Medicine and Zootechny of Botucatu-SP, which are of one male equine and one female bovine animals, using the radio and metacarpus, together with these materials were supplied the historic them. They were withdrawn ten samples in cuts of 10cm over the bone . These samples were submitted to the wet method of immersion in water for the density, by the method of attenuation of gamma radiation of radioisotope 241Am, it is estimated the mass attenuation coefficient, and then were dried in the oven for determining the content moisture. In determining the porosity of the samples was tight ground, in order to obtain the density of particles. The results for the mass attenuation coefficient of gamma radiation to the levels of saturated humidity, environment humidity, dry humidity respectively 0289 ± 0039; 0286 ± 0040 and 0297 ± 0042. And the density of particles was 2.2691 g/cm3

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Pneumonia is a respiratory disease that most affects the cattle, especially calves, which according to their anatomical and physiological characteristics are more susceptible to respiratory diseases compared to other large mammals. Therefore, prevention of pneumonia is a key factor to minimize the possible economic losses generated by the early involvement of a calf by these diseases, which can cause a decrease in animal development. Despite the multifactorial etiology and classification on the types of pneumonia is still subject of discussion, most pneumonias are in three categories: bronchopneumonia, interstitial pneumonia and metastatic pneumonia, the first being the most important among them. Clinical signs vary with the cause, but are classified as medical conditions ranging since subclinical to clinically irreversible. Treatment depends on the clinical experience and can associate drugs for alleviating the symptoms with anti-inflammatories and antibiotics. Thus, premature diagnosis is directly linked to prognosis, treatment costs and spread of the disease

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Pós-graduação em Medicina Veterinária - FMVZ

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Pós-graduação em Medicina Veterinária - FCAV

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Pós-graduação em Medicina Veterinária - FCAV