Soroepidemiologia da babesiose em rebanho de bovinos da raça Curraleiro
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Data
2007-10
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Resumo
Bovine babesiosis is a blood parasitic disease. In
Brazil it is caused by B. bovis and B. bigemina protozoa, both
of which reveal the Boophilus microplus tick as the only
biological vector. Animal samples were collected at
Experimental Study Farm of Curraleiro Cattle (ESFC) in 2001
(n=117) and 2003 (n=113). The detection of antibodies against
B. bovis and B. bigemina was carried out by ELISA-indirect
method. This research was aimed at studing
seroepidemiological aspects of bovine babesiosis in a Curraleiro
herd, as well as obtain information about babesiosis stability
in this population and relate the results with available climactic
and management information. The occurrence rate of positive
animals was 92.3% for B. bovis and 83.8% for B. bigemina in
2001; in 2003 it was 92.9% and 66.4%, respectively. There
was a significant difference between seropositive frequency and
age in 2003; such a frequency decreased with ageing. It was
possible to conclude that despite environmental conditions and
chemical controls against endo and ectoparasites, these animals
were exposed to Babesia spp and they found themselves in a
situation of enzootic stability for babesiosis.
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Palavras-chave
Bovino, Babesia bovis, Babesia bigemina, Estabilidade enzoótica, Pé-duro, Bovine animals, Babesia bovis, Babesia bigemina, Enzootic stability, Pé-duro
Citação
JULIANO, Raquel Soares; MACHADO, Rosângela Zacarias; FIORAVANTI, Maria Clorinda Soares; ANDRADE, Gisele Maria; JAYME, Valéria de Sá. Soroepidemiologia da babesiose em rebanho de bovinos da raça Curraleiro. Ciência Rural, Santa Maria, v. 37, n. 5, p. 1387-1392, set./out. 2007.