| the epidemiology of schistosomiasis in the vicinity of lake sibaya, with a note on other areas of tongaland (natal, south africa). | the epidemiology of human and bovine schistosomiasis in the lake sibaya area of tongaland, south africa, an undeveloped rural environment, is discussed. the mean prevalence of schistosoma haematobium infection is 72%, but s. mansoni is absent; possible reasons for this are given and the different types of water habitat are shown to play different roles in transmission. fear of crocodiles and hippopotami is important because villagers are compelled to use for domestic purposes, the smaller, shall ... | 1979 | 539856 |
| parasites of south african wildlife. xii. helminths of nyala, tragelaphus angasii, in natal. | the helminths of 77 nyala, tragelaphus angasii, from 4 game reserves in natal, were collected, counted and identified. ten nematode species and 4 nematode genera, a trematode species and paramphistomes, and 2 cestode genera were recovered from the antelope. of these, a cooperia rotundispiculum race, gaigeria pachyscelis, a gongylonema sp., haemonchus vegliai, impalaia tuberculata, an oesophagostomum sp., a setaria sp., trichostrongylus deflexus, trichostrongylus falculatus, the larval stage of a ... | 1991 | 1780128 |
| distribution, habitats and role as intermediate host of the freshwater snail, bulinus forskalii, in south africa. | this paper focuses on the geographical distribution and habitats of bulinus forskalii, the snail intermediate host of the conical fluke of equids, gastrodiscus aegyptiacus as reflected by the 1209 samples in the database of the national freshwater snail collection of south africa. the 362 different loci on record represent an extensive distribution in kwazulu-natal province, the limpopo province, the coastal areas of the eastern cape province and the south-eastern part of the north west province ... | 2005 | 16137134 |