| survey of intestinal parasites in pigs from intensive farms in guangdong province, people's republic of china. | the prevalence of intestinal parasites was investigated in intensive pig farms in guangdong province, china between july 2000 and july 2002. faecal samples from 3636 pigs (both sexes and five age groups) from 38 representative intensive pig farms employing different parasite control strategies were examined for the presence of helminth ova and protozoan oocysts, cysts and/or trophozoites using standard techniques. of the 3636 pigs sampled, 209 (5.7%) were infected with trichuris suis, 189 (5.2%) ... | 2004 | 15710534 |