are stable flies (diptera: stomoxyinae) vectors of trypanosoma vivax in the central african republic? | the epidemiology of trypanosoma vivax infections was studied at a riverside site in the ouro-djafoun livestock area situated in the central african republic during the period between july 1991 and july 1992. this paper examines the possibility that stable flies (diptera: stomoxyinae) were also vectors of this trypanosome species in a non-cyclic way. previous studies have revealed that the usual cyclic transmission by the tsetse fly glossina fuscipes fuscipes was probably not the only transmissio ... | 1996 | 8721295 |
biting flies and trypanosoma vivax infection in three highland districts bordering lake tana, ethiopia. | an epidemiological study was conducted to determine the prevalence of trypanosomosis in cattle, small ruminants and equidae, and to identify biting flies; potential mechanical vectors of trypanosomes in the three districts of bahir dar zuria, dembia and fogera, bordering lake tana, ethiopia. about 1509 cattle, 798 small ruminants and 749 equidae were bled for the prevalence study using the buffy-coat method and the measurement of the hematocrit value. sixty-six ngu and 20 monoconical traps were ... | 2006 | 16890359 |
first report of trypanosoma vivax infection in dairy cattle from costa rica. | an outbreak of haemoparasitoses occurred from october 2007 to july 2008 in cattle from the district of rio cuarto, province of alajuela, costa rica. fifty animals of various ages out of 450 brown swiss were affected. the animals presented fever, severe anemia, jaundice, abortion or premature birth, loss of appetite, decrease milk production and accentuated weight loss in a short period of time. haemoparasites were observed in the blood smears: anaplasma marginale was present in 17 animals (60.7% ... | 2009 | 19414224 |
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 |
first report of trypanosoma vivax outbreak in dairy cattle in são paulo state, brazil. | this is the first description of a trypanosoma vivax outbreak in the state of são paulo (municipality of lins). fever, jaundice, decreased milk production, weight loss, profuse diarrhea, abortion, anemia, leukocytosis and hyperfibrinogenemia were observed in the affected animals. thirty-one cows and calves died out of a total of 1080 in the herd. three cows showed neurological symptoms like dysmetria, ataxia, muscle weakness, ptyalism, lymph node enlargement and submandibular edema. flagellated ... | 2013 | 22832751 |