Febre maculosa brasileira em cães

Environmental infestation and rickettsial infection in ticks in an area endemic for Brazilian spotted fever Infestação ambiental e infecção por rickéttsias em carrapatos de área endêmica para Febre Maculosa Brasileira

Brazilian spotted fever (BSF), caused by Rickettsia rickettsii, is endemic in the municipality of Americana, southeastern Brazil, where the disease is transmitted by the tick Amblyomma cajennense. This study evaluated the tick fauna and rickettsial infection in free-living ticks that were captured monthly using dry ice traps in areas endemic for BSF in Americana, from July 2009 to June 2010. Tw...

Rickettsia species infecting Amblyomma ticks from an area endemic for Brazilian spotted fever in Brazil Rickettsia infectando carrapatos Amblyomma de uma área endêmica para febre maculosa brasileira no Brasil

This study reports rickettsial infection in Amblyomma cajennense and Amblyomma dubitatum ticks collected in an area of the state of Minas Gerais, Brazil, where Brazilian spotted fever is considered endemic. For this purpose, 400 adults of A. cajenennse and 200 adults of A. dubitatum, plus 2,000 larvae and 2,000 nymphs of Amblyomma spp. were collected from horses and from the vegetation. The tic...

O espectro de uma terceira onda: questões e desafios da educação formal em IHC em uma instituição brasileira

We present in this article some reflections on the challenges of developing an HCI education aligned on the so called HCI third wave. We discuss the necessary perspective of such an endeavor in order to ground a curriculum reformulation under development at UTFPR, Curitiba. We address the tensions between the established curricula recommendations from one side, and the cultural, axiological, po...

A Case of Petechiœ Sine Febre

Revista Brasileira de Zootecnia

Providing feed is a major input cost in beef production, hence improvements in the efficiency of feed utilisation will reduce the cost of production. Residual feed intake (RFI) is a measure of feed efficiency, and is defined as the difference between an animal's actual feed intake and its expected feed intake based on its size and growth. It is independent of the level of production, and the lo...