| abundance and survival of infective larvae of the cattle nematodes cooperia punctata, haemonchus placei and oesophagostomum radiatum from faecal pats in a wet tropical climate. | observations were made on the abundance and survival of haemonchus placei, cooperia punctata and oesophagostomum radiatum infective larvae from cattle faecal pats exposed at various times of the year in north queensland wet tropics. pats exposed in the hot, wet season yielded abundant larvae on herbage. in the dry season, although low numbers of infective larvae were usual, considerable numbers were produced under conditions of heavy dews on dense herbage. irrespective of season of deposition of ... | 1988 | 3190586 |