| parasites of domestic and wild animals in south africa. vii. helminths in pigs slaughtered at the pretoria municipal abattoir. | a total of 52 pigs slaughtered at the pretoria municipal abattoir over a period of 1 year was examined for parastitic helminths. twenty-six of these pigs were marketed by farmers and 26 by speculators. of the pigs marketed by farmers 73,1% were found to be infested:--30,8% with ascaris suum, 65,4% with ascarops strongylina, 3,8% with metastrongylus apri, 26,9% with oesophagostomum spp., 15,4% with trichostrongylus colubriformis and 15,4% with trichuris suis. all the pigs marketed by speculators ... | 1978 | 568230 |
| little anthelmintic drenching required for lambs finished over winter and spring on annually re-established irrigated pasture on the highveld of gauteng province, south africa. | as part of a trial to test the profitability of finishing weaner lambs over winter and spring on the highveld of gauteng province, an investigation was carried out over 4 consecutive years as to whether or not worm control was necessary while the lambs were on irrigated, improved pastures. pastures that had not been grazed by sheep or other livestock for at least 5 years were planted to annual ryegrass (lolium multiflora) that was ploughed under and replanted annually. weaner lambs were randomly ... | 2003 | 12836737 |