Samuel C. Ribeiro

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BACKGROUND Animals have been used as a source of medicine in Brazil since ancient times, and have played a significant role in healing practices. Specifically in Northeast Brazil, zootherapy is a very common practice, and together with medicinal plants, it plays an important role as a therapeutic alternative. In the state of Ceara, no works have been(More)
BACKGROUND Human communities consistently develop a detailed knowledge of the therapeutical and medicinal properties of the local flora and fauna, and these folk remedies often substitute medicines produced by the pharmaceutical industry. Animals (and their derived products) are essential ingredients in the preparation of many traditional remedies. The(More)
Parasites are natural regulators of their host populations. Despite this, little is known about variations in parasite composition (spatially or temporally) in environments subjected to water-related periodic stress such as the arid and semiarid regions. The objective of this study was to evaluate the spatial-temporal variation in endoparasite species’(More)
The nature and the magnitude of variability in 13 wing morphological characters of Musca domestica and the influence of environmental factors that could contribute to the occurrence of these variations were studied. Size and sexual dimorphism accounted for most of the total variation (83.7%). Variability caused by shape, which has a large genetic(More)
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