babesia divergens in france: descriptive and analytical epidemiology.babesia divergens cause of bovine babesiosis transmitted by ixodes ricinus, is widely spread especially in west, central and south-west parts of france. it occurs with two annual peaks, in spring and autumn. the study was carried out during a period of two years (1991-1993) in four farms in the sarthe area, in order to know the distribution and the ecology of i. ricinus, and to show the presence of b. divergens. cattle are parasitised as early as march essentially by adult ticks, according to a ...199911071546
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