seasonal variation of ticks on cattle in burkina faso. | cattle of the sahel zebu peuhl breed from traditionally managed livestock herds in a representative area of north soudanese savana (with 400-900 mm of rainfall/year from may to september) located in the central land of burkina faso, were monitored over 12 months for tick and blood parasite. two species of ticks were found: amblyomma variegatum and hyalomma marginatum rufipes. h. m. rufipes was found on cattle all year round with a highest infestation rate in june characterized by means of 10 +/- ... | 1998 | 9668496 |