AVALIAÇÃO HISTOLOGICA DE PULMÃO DE BOVINOS DA RAÇA NELORE TERMINADOS A PASTO E EM CONFINAMENTO.
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Data
2009-02-13
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Universidade Federal de Goiás
Resumo
Most Brazilian states have common features, as the problems that affect the health
of animals. Infectious and contagious diseases, parasites, and metabolic
deficiencies, are of great importance, directly interfering in economic indicators.
Respiratory diseases have highlighted the various systems of breeding cattle,
because they have lung particular characteristics making them more vulnerable to
diseases of the respiratory system. There are no confirmed reports that in feedlot of
dirt would be a case of pneumonia higher compared to other systems to create due
to the high population density, stress and dust. Therefore, the objective of this
project is to assess the level of changes in lung tissue of cattle Nelore finished
under confinement conditions compared to the finished under grazing. We used 96
animals, 48 animals raised on pasture (AP) and 48 animals from confinement (AC).
These were identified in the corral of waiting, with the slaughter line and perform a
collection of fragments of the cranial lobe and the median on the ramp inspection.
The samples were fixed in buffered solution of formol 10%, preserved in alcohol at
70% and histological processed, making the color of slides with hematoxylin and
eosin (H&E) and the optical microscope analysis. Initially the data were submitted to
descriptive statistics and later to the chi-square, Wilcoxon and Mann-Whitney. None
of the evaluated parameters was influenced by the different lobes and different
systems of termination
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RAMOS, Beatriz Peixoto. HISTOLOGIC EVALUATION OF LUNG IN THE
NELLORE BOVINE FINISHED UNDER GRASING CONDITIONS AND IN
FEEDLOTS. 2009. 78 f. Dissertação (Mestrado em Ciências Agrárias - Veterinaria) - Universidade Federal de Goiás, Goiânia, 2009.