epidemiologic aspects of an outbreak of trypanosoma vivax in a dairy cattle herd in minas gerais state, brazil. | the aim of this study was to assess the epidemiological situation of bovine trypanosomiasis caused by trypanosoma vivax in a dairy cattle herd from igarapé, minas gerais state, brazil. the herd was monitored from september 2007 to february 2009 by sampling blood for determination of packed cell volume (pcv), microhaematocrit centrifugation test of parasitaemia (mhct), serology (ifa), morphological identification of t. vivax and molecular diagnosis by polymerase chain reaction (pcr). during all t ... | 2010 | 20138431 |