parasites of domestic and wild animals in south africa. xlv. helminths of dairy calves on dry-land kikuyu grass pastures in the eastern cape province.successive pairs of approximately 4-month-old friesland bull calves, raised under worm-free conditions, were exposed to helminth infection for 14 days on dry-land kikuyu grass pastures at 28-day to monthly intervals, on a coastal farm in a non-seasonal rainfall region of the eastern cape province. with the exception of one pair of calves exposed for 28 days, this procedure was repeated for 28 consecutive months from december 1982 to march 1985. the day after removal from the pastures one calf of ...200415732456
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