| prevalence of common gastrointestinal nematode parasites in scavenging pigs of different ages and sexes in eastern centre province, burkina faso. | the range and infestation intensities of gastrointestinal parasitic nematode species depend on the type of swine production system. the present study focused mainly on nematodes of veterinary importance in scavenging pigs in burkina faso, and aimed at determining the prevalence of gastro-intestinal nematode parasites by means of faecal egg per gram (epg) counts. between november 2001 and october 2002, faecal samples from 383 pigs of different sexes and ages (< 5 months, 5-12 months and > 12 mont ... | 2006 | 16715878 |