Serological survey and geographical distribution of bovine leptospirosis in Rio Grande do Sul, between the years of 1999 to 2001
Keywords:
Leptospirosis, frequency, geographical distribution, cattle.Abstract
The aims of the present work was to describe the frequency and the geographical diribution of bovine leptospirosis in Rio Grande do Sul, between the years of 1999 to 2001. On the 5094 samples sended to the Centro de Pesquisas Veterinárias Desidério Finamor (CPVDF) were used the microscopic-agglutination test in plate. Serologial response was observed in 1827 (35.8%) samples to serovars hardjo (66%), wolffi (22%), icterohaemorrhagiae (13%), hebdomadis (12%), bratislava (11%), aus- tralis (8.7%), pomonna (7.9%), tarassovi (7%), grippotyphosa (6.2%), coopenhageni (5%), pyrogines (3.9%), autumnalis (3%) and canicola (3%). The serovars hardjo and wolffi were the most frequents in the samples inquired in all state regions.
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