| helminthosis in local and cross-bred pigs in the morogoro region of tanzania. | we investigated the prevalence, burden and types of gastro-intestinal helminths in 424 local and cross-bred pigs kept under different management systems in two climatic zones in the morogoro region of tanzania. coprological examination revealed that 53% of the pigs excreted helminth eggs in their faeces. the median eggs per gram of faeces (epg) was 500 (range 100-22,000). local breeds in the mgeta location with tropical highland climate showed significantly higher prevalence (p < 0.001) and medi ... | 1997 | 9361319 |