| study of gastro-intestinal helminths of scavenging chickens in four rural districts of amhara region, ethiopia. | a total of 267 rural scavenging chickens were examined from october 1998 to august 1999 in four woredas (districts) of the amhara region, ethiopia. of these chickens, 243 (91.01%) were found to harbour one to nine different helminth parasites and 24 (8.99%) were free of helminth parasites. a significant difference (p < 0.01) was found between the prevalence rates of helminth parasites in the different agro-ecological zones; the highest prevalence was observed in the lowland areas. this suggests ... | 2001 | 11732422 |