7 research outputs found
Parâmetros hematológicos e bioquímicos da tilápia-do-Nilo (Oreochromis niloticus L.) sob estresse por exposição ao ar
Cone beam computed tomography in veterinary dentistry: Description and standardization of the technique
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Previous issue date: 2009-08Onze cães e quatro gatos, portadores de alterações
buco-dentárias e atendidos no Centro Veterinário
do Gama, em Brasília, DF, foram submetidos à tomografia
computadorizada de feixe cônico. Os exames foram realizados
em um tomógrafo i-CAT, utilizando para aquisição
das imagens, altura de seis centímetros, tempo de 40 segundos,
0,2 voxel, 120 kilovolts e 46,72 miliampéres por
segundo. O melhor posicionamento dos animais para realização
do exame foi definido neste estudo. Esse é um fator
fundamental para a realização do exame, que necessitou
um protocolo anestésico simples e seguro, em função
do tempo mínimo necessário à obtenção das imagens.
Várias alterações e enfermidades foram identificadas, com
extrema acurácia, credenciando a tomografia computadorizada
de feixe cônico como um exame seguro, acessível
e exeqüível e que pode ser incorporado à rotina odontológica
das clínicas de pequenos animais.Eleven dogs and four cats with buccodental alterations, treated in the Centro Veterinário
do Gama, in Brasilia, DF, Brazil, were submitted to cone beam computed tomography.
The exams were carried out in a i-CAT tomograph, using for image acquisition six
centimeters height, 40 seconds time, 0.2 voxel, 120 kilovolts and 46.72 milliamperes per
second. The ideal positioning of the animal for the exam was also determined in this
study and it proved to be fundamental for successful examination, which required a simple
and safe anesthetic protocol due to the relatively short period of time necessary to obtain
the images. Several alterations and diseases were identified with accurate imaging,
demonstrating that cone beam computed tomography is a safe, accessible and feasible
imaging method which could be included in the small animal dentistry routine diagnosis
Sanitizer residues in the milk of cows which had passed through footbaths
Copper sulfate and sodium hypochlorite are used in footbath solutions for the prevention and treatment of bovine digital diseases; however, data on the residues of such elements in milk are sparse in Brazil. This study evaluated the cost of applying the footbath treatment and the total amount of copper and chlorite residues in the milk of healthy cows after they had passed through these footbath solutions. Two groups of 7 cows each (GI and GII) were studied. In the case of GI, 1% sodium hypochlorite was used and for GII 5% copper sulfate was employed in the footbath. The milk samples were collected before the 7-day footbath treatment period (M0) and 24 h (M1), 48 h (M2), 72 h (M3) and 15 days (M15) after the last footbath. Statistical analysis to compare the different samples within each group was carried out by applying Friedman's test, followed by Dunn's test (p<0.05). It was concluded that the amount of total chlorites and copper in the milk of healthy cattle after routine daily footbaths for a period of 7 days presented some variations. However, the concentrations observed were considered insufficient to represent a risk to human health. The cost of the footbath solutions was found to be reasonable